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notwithstanding clause (iii)(II),
all reformulated gasoline produced
or distributed at each refinery or
importer shall meet the standards
applicable under clause (iii) not
later than April 1 of the year fol-
lowing the report in subclause (II)
and for subsequent years.
‘‘(vi) REGULATIONS TO CONTROL HAZ-
ARDOUS AIR POLLUTANTS FROM MOTOR VE-
HICLES AND MOTOR VEHICLE FUELS.—Not
later than July 1, 2004, the Administrator
shall promulgate final regulations to control
hazardous air pollutants from motor vehi-
cles and motor vehicle fuels, as provided for
in section 80.1045 of title 40, Code of Fed-
eral Regulations (as in effect on the date of
enactment of this subparagraph).’’.
(c) CONSOLIDATION
IN REFORMULATED GASOLINE
REGULATIONS.—Not later than 180 days after the date of
enactment of this Act, the Administrator shall revise the
reformulated gasoline regulations under subpart D of part
80 of title 40, Code of Federal Regulations, to consolidate
the regulations applicable to VOC-Control Regions 1 and
2 under section 80.41 of that title by eliminating the less
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stringent requirements applicable to gasoline designated for
VOC-Control Region 2 and instead applying the more strin-
gent requirements applicable to gasoline designated for
VOC-Control Region 1.
(d) SAVINGS CLAUSE.—Nothing in this section is in-
tended to affect or prejudice any legal claims or actions
with respect to regulations promulgated by the Adminis-
trator prior to enactment of this Act regarding emissions
of toxic air pollutants from motor vehicles.
(e) DETERMINATION
REGARDING
A
STATE
PETI-
TION.—Section 211(k) of the Clean Air Act (42 U.S.C.
7545(k)) is amended by inserting after paragraph (10) the
following:
‘‘(11) DETERMINATION REGARDING A STATE PE-
TITION.—
‘‘(A) IN
GENERAL.—Notwithstanding any
other provision of this section, not less than 30
days after enactment of this paragraph the Ad-
ministrator must determine the adequacy of any
petition received from a Governor of a State to
exempt gasoline sold in that State from the re-
quirements of paragraph (2)(B).
‘‘(B) APPROVAL.—If the determination in
(A) is not made within thirty days of enactment
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of this paragraph, the petition shall be deemed
approved.’’.
SEC. 835. PUBLIC HEALTH AND ENVIRONMENTAL IMPACTS
OF FUELS AND FUEL ADDITIVES.
Section 211(b) of the Clean Air Act (42 U.S.C.
7545(b)) is amended—
(1) in paragraph (2)—
(A) by striking ‘‘may also’’ and inserting
‘‘shall, on a regular basis,’’; and
(B) by striking subparagraph (A) and in-
serting the following:
‘‘(A) to conduct tests to determine potential
public health and environmental effects of the
fuel 
or 
additive 
(including 
carcinogenic,
teratogenic, or mutagenic effects); and’’; and
(2) by adding at the end the following:
‘‘(4) STUDY ON CERTAIN FUEL ADDITIVES AND
BLENDSTOCKS.—
‘‘(A) IN GENERAL.—Not later than 2 years
after the date of enactment of this paragraph, the
Administrator shall—
‘‘(i) conduct a study on the effects on
public health, air quality, and water re-
sources of increased use of, and the feasi-
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bility of using as substitutes for methyl ter-
tiary butyl ether in gasoline—
‘‘(I) ethyl tertiary butyl ether;
‘‘(II) tertiary amyl methyl ether;
‘‘(III) di-isopropyl ether;
‘‘(IV) tertiary butyl alcohol;
‘‘(V) other ethers and heavy alco-
hols, as determined by then Adminis-
trator;
‘‘(VI) ethanol;
‘‘(VII) iso-octane; and
‘‘(VIII) alkylates; and
‘‘(ii) conduct a study on the effects on
public health, air quality, and water re-
sources of the adjustment for ethanol-blend-
ed reformulated gasoline to the VOC per-
formance requirements otherwise applicable
under sections 211(k)(1) and 211(k)(3) of
the Clean Air Act.
‘‘(iii) submit to the Committee on En-
vironment and Public Works of the Senate
and the Committee on Energy and Com-
merce of the House of Representatives a re-
port describing the results of these studies.
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‘‘(B) CONTRACTS FOR STUDY.—In carrying
out this paragraph, the Administrator may enter
into one or more contracts with nongovernmental
entities including but not limited to National
Energy Laboratories and institutions of higher
education (as defined in section 101 of the High-
er Education Act of 1965 (20 U.S.C. 1001)).’’.
SEC. 836. ANALYSES OF MOTOR VEHICLE FUEL CHANGES.
Section 211 of the Clean Air Act (42 U.S.C. 7545) (as
amended by section 820(a)) is amended by inserting after
subsection (o) the following:
‘‘(p) ANALYSES OF MOTOR VEHICLE FUEL CHANGES
AND EMISSIONS MODEL.—
‘‘(1) ANTI-BACKSLIDING ANALYSIS.—
‘‘(A) DRAFT ANALYSIS.—Not later than 4
years after the date of enactment of this para-
graph, the Administrator shall publish for public
comment a draft analysis of the changes in emis-
sions of air pollutants and air quality due to the
use of motor vehicle fuel and fuel additives re-
sulting from implementation of the amendments
made by the Federal Reformulated Fuels Act of
2003.
‘‘(B) FINAL ANALYSIS.—After providing a
reasonable opportunity for comment but not
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later than 5 years after the date of enactment of
this paragraph, the Administrator shall publish
the analysis in final form.
‘‘(2) EMISSIONS MODEL.—For the purposes of
this subsection, as soon as the necessary data are
available, the Administrator shall develop and final-
ize an emissions model that reasonably reflects the ef-
fects of gasoline characteristics or components on
emissions from vehicles in the motor vehicle fleet dur-
ing calendar year 2005.’’.
SEC. 837. ADDITIONAL OPT-IN AREAS UNDER REFORMU-
LATED GASOLINE PROGRAM.
Section 211(k)(6) of the Clean Air Act (42 U.S.C.
7545(k)(6)) is amended—
(1) by striking ‘‘(6) OPT-IN AREAS.—(A) Upon’’
and inserting the following:
‘‘(6) OPT-IN AREAS.—
‘‘(A) CLASSIFIED AREAS.—
‘‘(i) IN GENERAL.—Upon’’;
(2) in subparagraph (B), by striking ‘‘(B) If’’
and inserting the following:
‘‘(ii) EFFECT
OF
INSUFFICIENT
DO-
MESTIC CAPACITY TO PRODUCE REFORMU-
LATED GASOLINE.—If’’;