FOR PUBLICATION
  UNITED STATES COURT OF APPEALS
       FOR THE NINTH CIRCUIT

AIR CONDITIONING AND                   
REFRIGERATION INSTITUTE; GAS
APPLIANCE MANUFACTURERS
ASSOCIATION; ASSOCIATION OF HOME
APPLIANCE MANUFACTURERS;
NATIONAL ELECTRICAL
MANUFACTURERS ASSOCIATION,
                                            No. 03-16621
               Plaintiffs-Appellees,
                                              D.C. No.
                v.
                                           CV-02-02437-
ENERGY RESOURCES                             WBS/PAN
CONSERVATION AND DEVELOPMENT
                                             OPINION
COMMISSION; WILLIAM J. KEESE,
Chairman; ROBERT PERNELL,
Commissioner; AURTHUR H.
ROSENFELD, Commissioner; JAMES
D. BOYD, Commissioner; JOHN L.
GEESMAN, Commissioner,
            Defendants-Appellants.
                                       
        Appeal from the United States District Court
           for the Eastern District of California
         William B. Shubb, Chief Judge, Presiding

                 Argued and Submitted
       November 1, 2004—San Francisco, California

                   Filed February 3, 2005

       Before: Betty B. Fletcher, John T. Noonan, and
             Sidney R. Thomas, Circuit Judges.

                 Opinion by Judge Thomas;
                 Dissent by Judge Noonan

                            1471
1474 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION


                         COUNSEL

William M. Chamberlain, Jonathan Blees, Monica Schwebs,
Paul A. Kramer, Jr., William W. Westerfield III, Sacramento,
California, for the appellants.

John A. Hodges, Bruce L. McDonald, Dineen Pashoukos
Wasylik, Peter J. Riehm, Wiley Rein & Fielding LLP, Wash-
ington, D.C., for the appellees.


                         OPINION

THOMAS, Circuit Judge:

   This case presents the question of whether federal law pre-
empts California’s appliance regulations requiring appliance
manufacturers to submit data about their appliances to Cali-
fornia’s Energy Resources Conservation and Development
     AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1475
Commission (“Commission”), mark their appliances with
basic information such as brand name and energy perfor-
mance, and be subjected to related compliance and enforce-
ment rules. We conclude that federal law does not preempt
California’s regulations. We therefore reverse the district
court’s decision finding the regulations preempted and perma-
nently enjoining the Commission from enforcing these regula-
tions, vacate the injunction, and remand.

                              I

   California boasts an extensive and laudable appliance effi-
ciency program. As part of California’s program, the Com-
mission has, since 1977, required manufacturers to submit
data to it. The data collected by the Commission pursuant to
section 1606 of Title 20 of the California Code of Regulations
is maintained in an electronic database, which contains infor-
mation on over 135,000 appliance models. The Commission’s
database provided the foundation of information for the Envi-
ronmental Protection Agency’s Energy Star program and is
used frequently by consumers, energy consultants, contrac-
tors, researchers, utility program managers, manufacturers,
and other governmental agencies. As part of California’s
appliance program, the Commission also requires manufactur-
ers to put basic information—such as the manufacturer’s
brand name and the appliance’s size and energy performance
—on their appliances. Cal. Code Regs. tit. 20, § 1607(b)-
(d)(2). The Commission enforces the data submittal and
marking requirements it places on manufacturers under sec-
tion 1608. Cal. Code Regs. tit. 20, § 1608.

   Plaintiffs-Appellees, four major trade organizations repre-
senting appliance manufacturers nationwide (“Trade Associa-
tions”), claim that these California regulations are preempted
by the Energy Policy and Conservation Act, Pub. Law No.
94-163, 89 Stat. 871 (1975) (“EPCA”), specifically by 42
U.S.C. §§ 6297(a) and 6316(a)-(b). After these regulations
were adopted but before they went into effect, Trade Associa-
1476 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
tions filed suit for declaratory and injunctive relief in the
United States District Court for the Eastern District of Cali-
fornia. The district court held that the California regulations
are preempted. The court, first preliminarily and then perma-
nently, enjoined the Commission from enforcing the regula-
tions. The Commission timely appealed.

   We review the district court’s decision regarding preemp-
tion de novo, Chamber of Commerce v. Lockyer, 

, 1160 (9th Cir. 2004), and the district court’s grant of
permanent injunction for abuse of discretion, Ting v. AT&T,

, 1134-35 (9th Cir. 2003).

                               II

   Preemption can occur in one of three ways: express pre-
emption by statute, occupation of the field, or conflict
between state and federal regulation. English v. General Elec.
Co., 

, 78-79 (1990). All parties agree that this case
presents a question of express preemption. Thus, this case
boils down to the interpretation of the statutory provision that
allegedly preempts state law. Medtronic, Inc. v. Lohr, 

, 484 (1996); Cipollone v. Liggett Group, Inc., 

, 517 (1992).

   To determine whether California’s regulations are pre-
empted by EPCA, we are instructed to first “ ‘identify the
domain expressly pre-empted’ by that language.” 

(quoting 

). “Since
pre-emption claims turn on Congress’s intent, we begin as we
do in any exercise of statutory construction with the text of
the provision in question, and move on, as need be, to the
structure and purpose of the Act in which it occurs.” New
York State Conference of Blue Cross & Blue Shield Plans v.
Travelers Ins. Co., 

, 655 (1995) (internal cita-
tions omitted).

  Our interpretation of the federal statute is informed by two
presumptions about the nature of preemption. Medtronic, 518
      AIR CONDITIONING v. ENERGY RESOURCES 

. First, we address claims of preemption with the
starting presumption that Congress did not intend to supplant
state law. 

that the “historic police powers of
the States were not to be superseded by the Federal Act unless
that was the clear and manifest purpose of Congress.” 

v. Santa Fe Elevator Corp., 

, 230
(1947)). This presumption against preemption leads us to the
principle that express preemption statutory provisions should
be given a narrow interpretation. Id.; 

.

   Second, our analysis of the scope of the statute’s preemp-
tion is guided by the Supreme Court’s oft-stated comment that
“the purpose of Congress is the ultimate touchstone in every
pre-emption case.” 

(internal quo-
tations marks omitted). “As a result, any understanding of the
scope of a pre-emption statute must rest primarily on ‘a fair
understanding of congressional purpose.’ ” 

(quoting 

, n. 27) (emphasis omit-
ted).

   Also relevant to our interpretation of the scope of the stat-
ute’s preemption are the “structure and purpose of the statute
as a whole, as revealed not only in the text, but through [our]
reasoned understanding of the way in which Congress
intended the statute and its surrounding regulatory scheme to
affect business, consumers, and the law.” 

(internal
citation and quotation marks omitted).

                                    III

  Thus, we turn to the language of the express preemption
provision at issue. 42 U.S.C. § 62971 provides, in relevant
part:
  1
    42 U.S.C. § 6316(a)-(b), the other preemption provision at issue in this
case, incorporates § 6297(a) with a few subtle distinctions that are not rel-
evant to this case. 42 U.S.C. § 6316(a)-(b) relates to commercial and
industrial appliances whereas § 6297(a) relates to residential appliances.
Hereinafter, when we refer to 42 U.S.C. § 6297(a), in doing so, we also
refer to § 6316(a)-(b).
1478 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
(a) Preemption of testing and labeling requirements

       (1) Effective on March 17, 1987, this part supersedes
       any State regulation insofar as such State regulation
       provides at any time for the disclosure of informa-
       tion with respect to any measure of energy consump-
       tion or water use of any covered product if—

         (A) such State regulation requires testing or the
         use of any measure of energy consumption, water
         use, or energy descriptor in any manner other than
         that provided under section 62932 of this title; or

         (B) such State regulation requires disclosure of
         information with respect to the energy use, energy
         efficiency, or water use of any covered product
         other than information required under section 62943
         of this title.

42 U.S.C. § 6297.

A.     Data Submittal Regulations

   The first California regulation that 42 U.S.C. § 6297(a)
arguably preempts is Cal. Code Regs. tit. 20, § 1606, which
requires appliance manufacturers to submit specified informa-
tion to the Commission for each appliance for sale or sold in
California. Such information includes the name of the manu-
facturer, the brand name, the model number, and data pro-
duced during tests the manufacturer is required to perform
under Cal. Code Regs. tit. 20, § 1604. See Cal. Code Regs. tit.
20, §§ 1606(a), Table U.

  [1] To determine whether 42 U.S.C. § 6297(a) preempts the
data submittal requirements of Cal. Code Regs. tit. 20,
  2
     42 U.S.C. § 6293 establishes federal appliance testing requirements.
  3
     42 U.S.C. § 6294 establishes federal appliance labeling requirements.
     AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1479
§ 1606, we look to the text of § 6297(a). Section 6297(a) pre-
empts any state regulation that provides “at any time for the
disclosure of information with respect to any measure of
energy consumption or water use of any covered product if
. . . such State regulation requires disclosure of information
with respect to the energy use, energy efficiency, or water use
of any covered product other than information required under
section 6294.” The district court found the text of § 6297(a),
in particular the meaning of the phrase “disclosure of infor-
mation,” ambiguous, and so do we.

   [2] Beginning with the presumption that Congress did not
intend to supplant state law, we must narrowly interpret
§ 6297(a) in general, and the phrase “disclosure of informa-
tion” in particular. See 

. A narrow
interpretation is consistent with our direction to find preemp-
tion when preemption is the “clear and manifest purpose of
Congress.” 

interpretation the Commission
advances is supported by the statutory text and is consistent
with Congress’s purpose. Applying a narrow interpretation of
§ 6297(a), we hold that it does not preempt the data submittal
requirements contained in Cal. Code Regs. tit. 20, § 1606.

   The rules of statutory construction support the narrow inter-
pretation of “disclosure of information.” One rule of statutory
construction is that “identical words used in different parts of
the same act are intended to have the same meaning.” Com-
missioner of Internal Revenue v. Lundy, 

, 250
(internal citations and quotation marks omitted). The phrase
“disclosure of information” is used twice in § 6297(a)(1) and
should be given the same meaning in both instances. In
§ 6297(a)(1), “disclosure of information” concerns informa-
tion with respect to any measure of energy consumption or
water use. In § 6297(a)(1)(B), “disclosure of information”
requires manufacturers to place certain information on
consumer-directed product labels, as required by 42 U.S.C.
§ 6294. See 42 U.S.C. § 6294. In both instances, “disclosure
of information” may be interpreted to generally refer to the
1480 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
disclosure of information on labels directed to consumers at
point of sale or use. Thus, a narrow interpretation of
§ 6297(a)(1) is supported by the statutory text, and this inter-
pretation should be applied.

   Furthermore, the statute as a whole compels a narrow inter-
pretation of “disclosure of information.” Congress did not use
the phrase “disclosure of information” in EPCA when it refer-
enced manufacturers providing data to the Department of
Energy (“DOE”); instead, Congress used the phrase “submit
information or reports.” 42 U.S.C. § 6296(d). 42 U.S.C.
§ 6296(d) allows the DOE to require appliance manufacturers
to provide the DOE with information about energy efficiency.
42 U.S.C. § 6296(d) provides, in relevant part, “the Secretary
may require . . . each manufacturer of a covered product to
submit information or reports to the Secretary.” 

(emphasis added). When Congress referred to
the submittal of data to a government entity in EPCA, it used
the phrase “submit information or reports,” not “disclosure of
information.” The statute as a whole does not support a broad
interpretation of “disclosure of information.” On the contrary,
it suggests that “disclosure of information” only pertains to
labeling directed to consumers at point of sale or use.4
   4
     The narrow interpretation of the phrase “disclosure of information” is
also supported by the relevant FTC regulations. 16 C.F.R. Part 305 estab-
lishes regulations regarding the consumer-directed labeling of appliances
and the testing required to accurately label appliances. 16 C.F.R. pt. 305.
Part 305 also includes regulations pertaining to the form and content of the
labels, §§ 305.11-.14, and the testing manufacturers must perform in order
to label with information regarding their appliances’ energy efficiency or
use, §§ 305.5-.10. The sections pertaining to the form and contents of the
labels are clustered under the heading of “Required Disclosures.” Section
305.8, which requires manufacturers to submit annually to the FTC a
report listing the annual energy consumption or energy efficiency rating
for each basic model in current production, is titled “Submission of data.”
The FTC regulations use “disclosure” to refer to consumer-directed label-
ing and “submission” to refer to data-submittal to a government entity.
Therefore, the FTC regulations, like EPCA, use “disclosure” to refer to
consumer-directed labeling and “submission” or “submit” to refer to data-
submittal to the government.
     AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1481
   In addition, the narrow interpretation of “disclosure of
information” rests on “a fair understanding of congressional
purpose” as evidenced by the relevant legislative history.

-86 (quoting 

, n.27) (internal quotation marks and emphasis omitted).
The original version of the current labeling and testing pre-
emption provision was first enacted in the EPCA, Pub. Law
No. 94-163, 89 Stat. 871 (1975). Its purpose appears to be
unchanged since then.

   Congress enacted EPCA in 1975, in the aftermath of the oil
embargo imposed against the United States by certain coun-
tries in the years prior. Natural Res. Def. Council v. Herring-
ton, 

, 1364 (D.C. Cir. 1985). The oil embargo
called attention to the serious economic and national security
problems associated with our nation’s continued reliance on
foreign energy resources. 

President Ford cal-
led for “the strongest and most far-reaching energy conserva-
tion program we have ever had.” 

Weekly
Comp. Pres. Doc. 40, 41 (Jan. 20, 1975)) (internal quotation
marks omitted). Subsequently, Congress enacted EPCA, and
in doing so, established a comprehensive energy policy. 

designed, in part, to reduce the United States’
“domestic energy consumption through the operation of spe-
cific voluntary and mandatory energy conservation pro-
grams.” S. Rep. No. 94-516, at 117 (1975), reprinted in 1975
U.S.C.C.A.N. 1956, 1957. Part of EPCA’s energy conserva-
tion program was to “[r]equire energy labeling of major home
appliances and certain other consumer products, and authorize
energy efficiency standards for major appliances.” 

Congress believed that better informed consumers and volun-
tary efforts by manufacturers would make energy efficiency
standards unnecessary. H. Rep. No. 94-340, at 95 (1975),
reprinted in 1975 U.S.C.C.A.N. 1762, 1857. Therefore, Con-
gress required manufacturers to label their appliances and pro-
vided that the Secretary of the Federal Energy Administration
should utilize energy efficiency standards if the labeling pro-
1482 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
gram proved ineffective. 

As a result, EPCA’s
express preemption provisions dealt primarily with the possi-
bility that states would adopt different test procedures or con-
sumer labeling requirements. See Pub. Law No. 94-163,
§ 327, 89 Stat. 871, 926-27. EPCA preempted state regula-
tions insofar as they were “other than” the applicable federal
rules for testing and labeling. 

89 Stat. at 927.
EPCA, however, allowed state regulations that differed from
the federal regulations if the state regulations were justified
by a substantial state or local need, did not interfere with
interstate commerce, and were more stringent than the federal
standard. 

89 Stat. at 927.

   The National Energy Conservation and Policy Act, Pub. L.
No. 95-619, 92 Stat. 3206 (1978) (“NECPA”), amended por-
tions of EPCA’s preemption provisions. States were still
allowed to adopt regulations identical to federal regulations.
See EPCA § 327(a)(2), 89 Stat. at 927. States were allowed to
prescribe regulations more stringent than federal regulations
— or, if there was no federal regulation, state could imple-
ment its own standard — only if the Secretary found there was
a significant state or local interest to justify the state’s regula-
tion and the regulation would not unduly burden interstate
commerce. NECPA § 424(a), 92 Stat. at 3264. NECPA did
not amend EPCA’s preemption provisions regarding testing
or labeling. 

larger scale, NECPA created a nationwide conserva-
tion program for appliances and required the DOE to pre-
scribe minimum energy efficiency standards for thirteen
covered products. 

; see H.R.
Rep. No. 95-1751, at 114 15 (1978). However, instead of
adopting energy efficiency standards, the DOE concluded in
1982 that establishing minimum energy efficiency standards
for the relevant appliances would not result in significant
energy conservation and would not be economically justified.
H.R. Rep. No. 100-11, at 27. Thus, the DOE determined no
efficiency standards were required under NECPA. 

CONDITIONING v. ENERGY RESOURCES CONSERVATION 1483
DOE adopted its policy of the ‘no-standard’ standards, it also
initiated a general policy of granting petitions from States
requesting waivers from preemption. As a result, a system of
separate State appliance standards ha[d] begun to emerge and
the trend [was] growing.” S. Rep. No. 100-6, at 4. The D.C.
Circuit held that the DOE erroneously concluded that “no-
standard” standards was appropriate and instructed the DOE
to adopt federal efficiency standards. 

.

   Because the DOE could not establish federal appliance effi-
ciency standards immediately, major manufacturer trade asso-
ciations and the Natural Resources Defense Council
negotiated a compromise solution, which Congress enacted as
the National Appliance Energy Conservation Act of 1987,
Pub. L. No. 100-12, 101 Stat. 103 (1987) (“NAECA”), codi-
fied at 42 U.S.C. §§ 6291-6309. H.R. Rep. No. 100-11, at 27-
28; S. Rep. No. 100-6, at 4-5, reprinted in 1987 U.S.C.C.A.N.
52, 54-55. NAECA established federal energy efficiency stan-
dards for residential appliances; DOE action was not required
to set these standards. NAECA § 5, 101 Stat. at 107-17.

   NAECA also amended NECPA’s preemption provisions.
NAECA provided that states could no longer adopt energy
efficiency standards that were identical to the federal stan-
dards. 42 U.S.C. § 6297(c). NAECA also made it more diffi-
cult for states to obtain waivers of preemption for more
stringent state efficiency standards; in order to obtain a
waiver, NAECA required states to establish by a preponder-
ance of the evidence that state regulation was justified by
unusual and compelling state or local interests. 42 U.S.C.
§ 6297(d)(1)(B)-(C); see S. Rep. No. 100-6, at 9. The reason
for the broader preemption standards was to counteract the
systems of separate state appliance standards that had
emerged as a result of the DOE’s “general policy of granting
petitions from States requesting waivers from preemption,”
which caused appliance manufacturers to be confronted with
“a growing patchwork of differing State regulations which
1484 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
would increasingly complicate their design, production and
marketing plans.” S. Rep. No. 100-6, at 4. As for the preemp-
tion provisions regarding testing and labeling, NAECA, “es-
sentially restate[d] existing law, and provide[d] that the Act
supersedes State and local regulations regarding testing and
labeling in certain cases.” 

   The latest legislation amending EPCA is the Energy Policy
Act of 1992, Pub. L. No. 102-486, 106 Stat. 2776 (1992)
(“EPAct”), codified at 42 U.S.C. §§ 6311-17, which expanded
the federal appliance program to include energy efficiency
standards for commercial and industrial appliances. 42 U.S.C.
§§ 6295(j)-(k), 6313. EPAct incorporated the preemption pro-
visions of 42 U.S.C. § 6297, with a few subtle distinctions,
which are not relevant to this case. 42 U.S.C. § 6316(a)-(b).
EPAct’s legislative history is silent on preemption.

   [3] In sum, the legislative history of the relevant Acts sup-
ports a narrow interpretation of the preemption provision.
There is no indication that Congress, in the preemption provi-
sion of EPCA as amended by subsequent Acts, intended to
preempt state regulations requiring the submission of data to
state government agencies. The legislative history instead
demonstrates that Congress intended to preempt state energy
efficiency standards, testing procedures, and consumer label-
ing requirements. We therefore conclude that because “disclo-
sure of information” only refers to consumer-directed labeling
at point of sale or use, Cal. Code Regs. tit. 20, § 1606 is not
preempted by U.S.C. § 6297(a)(1).5

B.    Marking Regulations

   The second set of California’s regulations the Trade Asso-
ciations argue is preempted by federal law are the appliance-
  5
   We also hold that Cal. Code Regs. tit. 20, § 1606 is not preempted by
42 U.S.C. § 6316(a)-(b), which is substantively the same as § 6297(a)(1).
        AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1485
marking requirements of sections 1607(b), (c), (d)(1), and
(d)(2) of Title 20 of the California Code of Regulations.

   Section 1607(b)6 and (c)7 of Title 20 of the California Code
of Regulations—which require appliances to be labeled with
the manufacturer’s name, brand name, or trademark; the
appliance’s model number; and date of manufacture—are not
preempted by federal law because the subsections do not
“provide[ ] at any time for the disclosure of information with
respect to any measure of energy consumption or water use of
any covered product.” 42 U.S.C. § 6297(a)(1).8 The informa-
  6
   Cal. Code Regs. tit. 20, § 1607(b) provides:
      Except as provided in subsection (c), the following information
      shall be permanently, legibly, and conspicuously displayed on an
      accessible place on each unit;
      (1) manufacturer’s name or brand name or trademark;
      (2) model number; and
      (3) date of manufacture, indicating (i) year and (ii) month or
      smaller (e.g. week) increment. If the date is in a code that is not
      readily understandable to the layperson, the manufacturer shall
      immediately, on request, provide the code to the Energy Com-
      mission.

   7
     Cal. Code Regs. tit. 20, § 1607(c), titled “Exceptions to Subsection
(b),” provides, in relevant part:
      (1) For plumbing fixtures and plumbing fittings, the information
      required by subsection (b) shall be permanently, legibly, and con-
      spicuously displayed on an accessible place on each unit or on
      the unit’s packaging.
      (2) For lamps, the information required by subsection (b) shall be
      permanently, legibly, and conspicuously displayed on an accessi-
      ble place on each unit, on the unit’s packaging, or, where the unit
      is contained in a group of several units in a single package, on
      the packaging of the group.

   8
     “Measure of energy consumption” is defined as “energy use, energy
efficiency, estimated annual operating cost, or other measure of energy
consumption.” 42 U.S.C. § 6291(8).
1486 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
tion required to be placed on appliances under section 1607(b)
and (c) is not “information with respect to any measure of
energy consumption or water use” unless one expansively
interprets “with respect to” and “measure of energy consump-
tion,” 42 U.S.C. § 6297(a)(1). In accordance with the pre-
sumptions informing our interpretation of express preemption
provisions, we interpret these terms narrowly as such an inter-
pretation is consistent with the statutory text.

   [4] “Measure of energy consumption” is defined as “energy
use, energy efficiency, estimated annual operating cost, or
other measure of energy consumption.” 42 U.S.C. § 6291(8)
(emphasis added). We decline to interpret “other measure of
energy consumption,” the only relevant term left undefined in
the statute, so broadly that it encompasses the information
required to be placed on appliances under California’s sec-
tions 1607(b) and (c). Under the maxim of statutory interpre-
tation known as ejusdem generis, “or other measure of energy
consumption” embraces only objects similar in nature to those
enumerated by the preceding specific words. Circuit City
Stores, Inc. v. Adams, 

, 114-15 (2001). “Or other
measure of energy consumption” must be construed to give
effect to the terms preceding the phrase and must be defined
by reference to the terms preceding it. 

Therefore,
“or other measure of energy consumption” does not broaden

   “Energy use” is defined as “the quantity of energy directly consumed
by a consumer product at point of use . . . .” 

“Energy effi-
ciency” is defined as “the ratio of the useful output of services from a con-
sumer product to the energy use of such product . . . .” 

“Estimated annual operating cost” is defined as “the aggregate retail cost
of the energy which is likely to be consumed annually, and in the case of
showerheads, faucets, water closets, and urinals, the aggregate retail cost
of water and wastewater treatment services likely to be incurred annually,
in representative use of a consumer product . . . .” 

   “Water use” is defined as “the quantity of water flowing through a
showerhead, faucet, water closet, or urinal at point of use . . . .” 

      AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1487
the meaning of “measure of energy consumption,” which is
defined, in part, as: “the quantity of energy directly consumed
by a consumer product at point of use,” 42 U.S.C. § 6291(4);
“the ratio of the useful output of services from a consumer
product to the energy use of such product,” 

and
“the aggregate retail cost of the energy which is likely to be
consumed annually,” 

As such, “measure of
energy consumption” does not encompass the information
California requires manufacturers to place on their appliances,
such as the manufacturer’s name and the appliance’s model
number and date of manufacture.

   The issue then becomes how to interpret “with respect to.”
The interpretation of the phrase “relates to” instructs us on
how to interpret the phrase “with respect to,” as both phrases
are similar in scope and meaning. The Supreme Court has
stated that “the term ‘relate to’ cannot be taken ‘to extend to
the furthest stretch of its indeterminancy,’ or else ‘for all prac-
tical purposes pre-emption would never run its course.’ ”
Egelhoff v. Egelhoff, 

, 146 (2001) (quoting Trav-

). The Court has also “cautioned against
an ‘uncritical literalism’ that would make pre-emption turn on
‘infinite connections.’ ” 

(quoting 

). As Justice Scalia observed, “[e]verything is
related to everything else.” Cal. Div. of Labor Standards
Enforcement v. Dillingham Constr., N.A., Inc., 

,
335 (1997) (Scalia, J., concurring). The issue is whether the
relation is “indirect, remote, and tenuous” or not. Californians
For Safe & Competitive Dump Truck Transp. v. Mendoca,

, 1189 (9th Cir. 1998). The relation between
placing a manufacturer’s name, the model name, and the date
of manufacture on an appliance and measures of energy con-
sumption, as defined in EPCA, is indirect, remote, and tenu-
ous.

   [5] Therefore, we conclude that the marking requirements
contained in sections 1607(b) and (c) of Title 20 of the Cali-
fornia Code of Regulations are not preempted by EPCA.
1488 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
   [6] We also hold that section 1607(d)(1)9 of the California
regulations is not preempted by EPCA, as the section only
requires compliance with federal marking requirements and,
therefore, does not require the disclosure of information that
is “other than information required” under federal law. 42
U.S.C. § 6297(a)(1). As the Fourth Circuit has stated, “if state
law adopts or imposes a labeling requirement that is the same
as the federal standard, even if the state law provides compen-
sation or other remedies for a violation, so long as Congress
chooses not to explicitly preempt the consistent law, it will
not be said to be in conflict with federal law.” Worm v. Ameri-
can Cyanamid Co., 

, 1307 (4th Cir. 1992). This
reasoning is supported by Medtronic, in which the Supreme
Court stated that “[t]he presence of a [state] damages remedy
does not amount to the additional or different ‘requirement’
that is necessary under the [federal] statute; rather, it merely
provides another reason for manufacturers to comply with
identical existing ‘requirements’ under federal 

. Because Cal. Code Regs. tit. 20, § 1607(d)(1) merely
provides appliance manufacturers another reason to comply
with existing requirements under federal law, the California
regulation is not preempted.
  9
   Cal. Code Regs. tit. 20, § 1607(d)(1) provides:
      (d) Energy Performance Information.
          (1) Federally-Regulated Consumer Products.
          The marking required by 16 C.F.R. Part 305 (2001) shall be
          displayed on all units of all federally-regulated consumer
          products of the following classes:
          Refrigerators Refrigerator-freezers Freezers Central air con-
          ditioners Heat pumps Dishwashers Water heaters Room air
          conditioners Warm air furnaces Pool heaters Clothes washers
          Clothes dryers Fluorescent lamp ballasts Showerheads Fau-
          cets Water closets Urinals General service fluorescent lamps
          Incandescent reflector lamps Direct heating equipment
          Medium-base compact fluorescent lamps Cooking equip-
          ment (kitchen ranges and ovens).
Cal. Code Regs. tit. 20, § 1607(d)(1).
         AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1489
   The final marking regulation Trade Associations argues is
preempted by federal law, Cal. Code Regs. tit. 20,
§ 1607(d)(2),10 also does not require the disclosure of infor-
mation “other than information required” under federal law,
and is thus not preempted. Section 1607(d)(2) requires
federally-regulated commercial and industrial equipment to be
marked with information. The relevant preemption provision
is located at 42 U.S.C. § 6316(a)-(b), which was enacted as
part of EPAct.

   [7] California regulation section 1607(d)(2) is not pre-
empted because there are no federal labeling rules for the
EPAct-covered equipment that are subject to California’s
marking requirements.11 Where EPAct authorizes the DOE to
take action that would preempt inconsistent state regulations,
the DOE’s inaction, without more, fails to preempts relevant
state regulations.

   Sections 6316(a) and (b) preempt “any State regulation
insofar as such State regulation provides at any time for the
disclosure of information with respect to any measure of
energy consumption or water use . . . if . . . such State regula-
  10
    Cal. Code Regs. tit. 20, § 1607(d)(2) provides:
       (d) Energy Performance Information.
           (2) Federally-Regulated Commercial and Industrial Equip-
           ment: Each unit of an appliance listed in Table V that is
           federally-regulated commercial and industrial equipment
           shall be marked, permanently and legibly on an accessible
           and conspicuous place on the unit, with the applicable
           energy performance information shown in Table V, and such
           information shall also be included on all printed material that
           is displayed or distributed at the point of sale.
Cal. Code Regs. tit. 20, § 1607(d)(2).
   11
      The DOE has adopted labeling rules for electric motors. 10 C.F.R.
§ 431.83. However, the California regulations on EPAct-covered equip-
ment do not include electric motors; they cover only space heating, air-
conditioning, and water heating equipment. See Cal. Code Regs. tit. 20,
§ 1607(d)(2), Table V.
1490 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
tion requires disclosure of information . . . of any covered
product other than information required” under federal law.
42 U.S.C. §§ 6297(a)(1) (emphasis added). Thus, state regula-
tions are preempted at any time if they require the disclosure
of information other than what is required under federal law.

   The DOE’s inaction alone cannot preempt state regulations.
See Puerto Rico Dep’t of Consumer Affairs v. Isla Petroleum
Corp., 

, 503 (1988). “When a comprehensive
federal scheme intentionally leaves a portion of the regulated
field without controls, then the pre-emptive inference can be
drawn—not from federal inaction alone, but from inaction
joined with action.” 

the DOE must prescribe
labeling rules for classes of covered equipment for which the
DOE has exercised its discretion to prescribe test procedures.
42 U.S.C. § 6315(a). The DOE has not prescribed test proce-
dures for most classes of covered equipment, and therefore
has not reached the decision of whether to prescribe labeling
rules. There is no indication that the DOE’s inaction was a
conscious and express decision under 42 U.S.C. § 6315(h)12 to
not promulgate labeling rules for EPAct-covered equipment.
“[I]t is essential that an agency declare, at a high degree of
specificity, its intention that its inaction preempt state law
before we may assume such a desire and give it legal effect.”
Baltimore & Ohio R.R. Co. v. Oberly, 

, 115 (3d
Cir. 1988). As the DOE has not done so, we cannot hold that
  12
       42 U.S.C. § 6315 provides:
       The Secretary [of DOE] shall not promulgate labeling rules for
       any class of industrial equipment unless he has determined that—
           (1) labeling in accordance with this section is technologically
           and economically feasible with respect to such class;
           (2) significant energy savings will likely result from such
           labeling; and
           (3) labeling in accordance with this section is likely to assist
           consumers in making purchasing decisions.
42 U.S.C. § 6315(h).
         AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1491
Cal. Code Regs. tit. 20, § 1607(d)(2) is preempted because it
requires something “other than” what federal law does.

C.      Compliance and Enforcement Regulations

  [8] Lastly, Trade Associations argue that California’s pro-
cedural regulations, found at Cal. Code Regs. tit. 20, § 1608,13
  13
     Cal. Code Regs. tit. 20, § 1608, provides in relevant part:
       (a) General Requirements for the Sale or Installation of All
       Appliances. Any unit of any appliance within the scope of Sec-
       tion 1601 may be sold or offered for sale in California only if:
           (1) the appliance appears in the most recent database estab-
           lished pursuant to Section 1606(c), unless the only reason for
           the appliance’s absence from the database is its failure to
           comply with an applicable standard in Section 1605.1 [the
           applicable federal efficiency standard];
           (2) the manufacturer has:
             (A) tested the appliance as required by Sections 1603 and
             1604;
             (B) marked the unit as required by Section 1607;
                                       ...
       (b) Appliances Not in Database.
           If the Executive Director determines that an appliance that is
           not in the database is being sold or offered for sale in Cali-
           fornia, he or she shall take appropriate legal action to restrain
           and discourage such sale or offering, including, but not lim-
           ited to testing units of the appliance at the manufacturer’s
           cost and seeking appropriate judicial action.
Cal. Code Regs. tit. 20, § 1608.
   Furthermore, section 1608(e)-(g) requires the Executive Director of the
Commission to periodically inspect appliances sold or offered for sale in
California to determine whether they conform with the relevant energy
efficiency and consumption standards. Cal. Code Regs. tit. 20,
§ 1608(e)(1). The Commission pays the costs of the initial testing. Cal.
Code Regs. tit. 20, § 1608(f). If a tested, federally-regulated appliance per-
forms worse than what is required under the applicable federal standard,
the manufacturer must pay the cost for additional testing. Cal. Code Regs.
1492 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
that enforce the previously discussed substantive regulations
are preempted because they impermissibly enforce federal
requirements. If the Commission’s substantive regulations, as
we have found, are not preempted by federal law, then the
Commission’s relevant compliance and enforcement provi-
sions are also not preempted. The power to regulate must
include the complementary power to enforce those regula-
tions. California’s compliance and enforcement provisions are
not preempted by federal law.

                                   IV

   For these reasons, we agree with the Commission that the
relevant California regulations which require manufacturers to
submit data about their appliances, mark their appliances, and
be subjected to related compliance and enforcement rules are
not preempted by federal law. We therefore reverse the dis-
trict court’s decision finding these regulations preempted,
vacate the injunction preventing the Commission from apply-
ing these regulations, and remand for further proceedings con-
sistent with this opinion.

   REVERSED, VACATED, AND REMANDED



NOONAN, Circuit Judge, dissenting:

  The statutes at issue, inferentially the result of negotiation
and compromise, deliberately spell out what is preempted by

tit. 20, §§ 1608(e)(2), (g), (f). The Executive Director informs the appro-
priate federal agency if the appliance’s performance either is at variance
with the results the manufacturer reported to the applicable federal agency
or is not in compliance with the federal standard. Cal. Code Regs. tit. 20,
§ 1608(g). A federally-regulated appliance will be removed from the
Commission’s database due to its failure to comply with the applicable
federal standard. Cal. Code Regs. tit. 20, §§ 1605(a)(1), 1608(c)(4),
(d)(2)(B), (e)(2)(C).
     AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION 1493
federal law. State regulations preempted are those that require
“disclosure of information with respect to the energy use,
energy efficiency or water use . . . other than the information
required under section 6294 of this title.” 42 U.S.C.
§ 62979(a)(1)(B). Where federal regulations do not require
disclosure of such information to the federal government, a
state is expressly prohibited from requiring such disclosure to
consumers or to a state authority.

   The majority opinion holds that the prohibition applies only
to disclosure to consumers. The holding is a radical reduction
of the key statutory term. “Disclosure,” Webster’s Third New
International Dictionary (3d ed. 1993) informs us, is “the act
or an instance of opening up to view, knowledge or compre-
hension.” Disclosure to a state agency is as much an opening
up to view of the data as disclosure to consumers would be.
Congress has chosen a broad term to prevent the imposition
by a state of the burden of disclosure. Just as the meaning of
“disclose” is “to expose to view” or “to make known,” so the
substantive noun referencing such an act is so extensive that
it encompasses every compulsory revelation of the relevant
information. Palpably the statute is meant to preempt the state
from entering the federal domain.

   I do not ask for “a broad reading” of “disclosure,” but for
an exact reading of a broad term. Obviously where the infor-
mation is going to consumers as required by 42 U.S.C.
§ 6294, the meaning of disclosure is narrowed by the audi-
ence referenced. But narrowing in such a context does not
limit the generality of the statutory term when no special con-
text restricts it. That Congress did not use the term “disclo-
sure” when describing reports to DOE does not have bearing
on Congress’s intent when it found a single compendious way
to say that manufacturers need not inform either the govern-
ment or consumers.

  Impatience with the restraints imposed by the precise pre-
emptive words of the statute is also manifest when the major-
1494 AIR CONDITIONING v. ENERGY RESOURCES CONSERVATION
ity deals with the phrase “other than” as the phrase refers to
regulations other than federal regulations. 42 U.S.C.
§ 6316(a), (a)(4). Where there are no federal regulations on
the subject because the DOE has not promulgated any regula-
tions, then any state regulations are “other than” those feder-
ally required. The court indulges idiosyncratic imagination in
supposing that there must be federal regulations in existence
for “other than” to apply. Au contraire, if nothing exists, any
state regulations are other than what exists as federal regula-
tion. The fundamental tenet of express preemption is that
Congress may preclude state involvement, even where it
chooses not to regulate. Through its misreading of “other
than” the court has imposed a heightened burden on the man-
ufacturers to show implied preemption, despite Congress’
express statement of preemption.

  I would affirm the judgment of the district court.