fying remedial and preventative measures to ensure 
pipeline integrity; and 
(7) such other factors as the Secretary con-
siders appropriate. 
(c) REPORT.—Not later than 15 months after the 
date of enactment of this Act, the Secretary shall submit 
to Congress a report describing the results of the study 
conducted under this section. 
SEC. 144. STUDY OF OPTIMIZATION OF FLEXIBLE FUELED 
VEHICLES TO USE E–85 FUEL. 
(a) IN GENERAL.—The Secretary shall conduct a 
study of methods of increasing the fuel efficiency of flexi-
ble fueled vehicles by optimizing flexible fueled vehicles to 
operate using E–85 fuel. 
(b) REPORT.—Not later than 180 days after the date 
of enactment of this Act, the Secretary shall submit to 
the Committee on Energy and Natural Resources of the 
Senate and the Committee on Natural Resources of the 
House of Representatives a report that describes the re-
sults of the study, including any recommendations of the 
Secretary. 
SEC. 145. STUDY OF CREDITS FOR USE OF RENEWABLE 
ELECTRICITY IN ELECTRIC VEHICLES. 
(a) DEFINITION OF ELECTRIC VEHICLE.—In this 
section, the term ‘‘electric vehicle’’ means an electric 
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motor vehicle (as defined in section 601 of the Energy Pol-
icy Act of 1992 (42 U.S.C. 13271)) for which the re-
chargeable storage battery— 
(1) receives a charge directly from a source of 
electric current that is external to the vehicle; and 
(2) provides a minimum of 80 percent of the 
motive power of the vehicle. 
(b) STUDY.—The Secretary shall conduct a study on 
the feasibility of issuing credits under the program estab-
lished under section 111(d) to electric vehicles powered by 
electricity produced from renewable energy sources. 
(c) REPORT.—Not later than 18 months after the 
date of enactment of this Act, the Secretary shall submit 
to the Committee on Energy and Natural Resources of 
the Senate and the Committee on Energy and Commerce 
of the House of Representatives a report that describes 
the results of the study, including a description of— 
(1) existing programs and studies on the use of 
renewable electricity as a means of powering electric 
vehicles; and 
(2) alternatives for— 
(A) designing a pilot program to determine 
the feasibility of using renewable electricity to 
power electric vehicles as an adjunct to a re-
newable fuels mandate; 
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(B) allowing the use, under the pilot pro-
gram designed under subparagraph (A), of elec-
tricity generated from nuclear energy as an ad-
ditional source of supply; 
(C) identifying the source of electricity 
used to power electric vehicles; and 
(D) equating specific quantities of elec-
tricity to quantities of renewable fuel under sec-
tion 111(d). 
SEC. 146. STUDY OF ENGINE DURABILITY ASSOCIATED 
WITH THE USE OF BIODIESEL. 
(a) IN GENERAL.—Not later than 30 days after the 
date of enactment of this Act, the Secretary shall initiate 
a study on the effects of the use of biodiesel on engine 
durability. 
(b) COMPONENTS.—The study under this section 
shall include— 
(1) an assessment of whether the use of bio-
diesel in conventional diesel engines lessens engine 
durability; and 
(2) an assessment of the effects referred to in 
subsection (a) with respect to biodiesel blends at 
varying concentrations, including— 
(A) B5; 
(B) B10; 
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