(d) WAIVERS FOR REDUCTION OF APPLICABLE VOL-
UME IN CASE OF INADEQUATE SUPPLY.— 
(1) ADVANCED BIOFUEL.—Section 211(o)(7) of 
the Clean Air Act (42 U.S.C. 7545(o)(7)) is amend-
ed by adding at the end the following: 
‘‘(G) ADVANCED BIOFUEL.—For any cal-
endar year for which the projected volume of 
advanced biofuel production is less than the 
minimum applicable volume established under 
paragraph (2)(B), as determined by the Admin-
istrator based on the estimate provided under 
paragraph (3)(A), not later than November 30 
of the preceding calendar year, the Adminis-
trator shall reduce the applicable volume of ad-
vanced biofuel required under paragraph (2)(B) 
to the projected volume available during that 
calendar year.’’. 
(2) 
BIOMASS-BASED
DIESEL.—Section 
211(o)(7)(E) of the Clean Air Act (42 U.S.C. 
7545(o)(7)(E)) is amended by adding at the end the 
following: 
‘‘(iv) INADEQUATE SUPPLY.—For any cal-
endar year for which the projected volume of 
biomass-based diesel production is less than the 
minimum applicable volume established under 
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paragraph (2)(B), as determined by the Admin-
istrator based on the estimate provided under 
paragraph (3)(A), not later than November 30 
of the preceding calendar year, the Adminis-
trator shall reduce the applicable volume of bio-
mass-based diesel production required under 
paragraph (2)(B) to the projected volume avail-
able during that calendar year.’’. 
(3) 
ESTIMATE
OF
VOLUMES.—Section 
211(o)(3)(A) of the Clean Air Act (42 U.S.C. 
7545(o)(3)(A)) is amended by inserting ‘‘advanced 
biofuel,’’ before ‘‘biomass-based diesel’’. 
SEC. 3. ELIMINATION OF CORN ETHANOL MANDATE FOR 
RENEWABLE FUEL. 
(a) IN GENERAL.—Section 211(o)(2)(A)(i) of the 
Clean Air Act (42 U.S.C. 7545(o)(2)(A)(i)) is amended 
by striking ‘‘renewable fuel,’’ after ‘‘contains at least the 
applicable volume of’’. 
(b) REMOVAL OF TABLE.—Section 211(o)(2)(B)(i) of 
the Clean Air Act (42 U.S.C. 7545(o)(2)(B)(i)) is amend-
ed by striking subclause (I). 
(c) 
CONFORMING
AMENDMENTS.—Section 
211(o)(2)(B) of the Clean Air Act (42 U.S.C. 
7545(o)(2)(B)) is amended— 
(1) in clause (i)— 
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(A) 
by 
redesignating 
subclauses 
(II) 
through (IV) as subclauses (I) through (III), 
respectively; 
(B) in subclause (I) (as so redesignated), 
by striking ‘‘of the volume of renewable fuel re-
quired under subclause (I),’’; and 
(C) in subclauses (II) and (III) (as so re-
designated), by striking ‘‘subclause (II)’’ each 
place it appears and inserting ‘‘subclause (I)’’; 
(2) by striking clause (iii) and redesignating 
clauses (iv) and (v) as clauses (iii) and (iv), respec-
tively; and 
(3) in clause (iv), as so redesignated, by strik-
ing ‘‘clause (i)(IV)’’ and inserting ‘‘clause (i)(III)’’. 
(d) ADMINISTRATION.—Nothing in this section or the 
amendments made by this section affects the volumes of 
advanced biofuel, cellulosic biofuel, or biomass-based diesel 
that are required under section 211(o) of the Clean Air 
Act (42 U.S.C. 7545(o)) (as in effect on the day before 
the date of enactment of this Act). 
(e) REGULATIONS.—Not later than 180 days after 
the date of enactment of this Act, the Administrator of 
the Environmental Protection Agency shall promulgate 
such regulations as are necessary to carry out the amend-
ments made by this section. 
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(f) EFFECTIVE DATE.—The amendments made by 
this section shall take effect on the date that is 180 days 
after the date of enactment of this Act. 
Æ 
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