I 
117TH CONGRESS 
1ST SESSION H. R. 5621 
To require the Comptroller General of the United States to conduct an 
analysis of the costs of converting light-duty vehicles in the Federal 
fleet to electric vehicles, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
OCTOBER 19, 2021 
Mr. FEENSTRA introduced the following bill; which was referred to the Com-
mittee on Oversight and Reform, and in addition to the Committee on 
Energy and Commerce, for a period to be subsequently determined by the 
Speaker, in each case for consideration of such provisions as fall within 
the jurisdiction of the committee concerned 
A BILL 
To require the Comptroller General of the United States 
to conduct an analysis of the costs of converting light- 
duty vehicles in the Federal fleet to electric vehicles, 
and for other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Comparison of Sus-
tainable Transportation Act’’ or the ‘‘COST Act’’. 
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SEC. 2. COST ANALYSIS OF CONVERTING FEDERAL FLEET 
TO ELECTRIC VEHICLES. 
(a) COST ANALYSIS.—The Comptroller General of 
the United States shall conduct— 
(1) an analysis of the costs of replacing the 
light-duty vehicles in the Federal fleet that are 
fueled by gasoline with electric vehicles, including 
plug-in hybrid electric vehicles; and 
(2) an analysis of the costs of replacing the 
light-duty vehicles in the Federal fleet that are 
fueled by gasoline with flex-fuel ethanol vehicles. 
(b) INCLUSIONS.—Each analysis conducted under 
subsection (a) shall include the costs necessary for deploy-
ment of infrastructure for each applicable type of electric 
vehicle or flex-fuel ethanol vehicle that it is feasible to be 
used in the Federal fleet nationwide. 
(c) PUBLICATION.—Not later than 1 year after the 
date of enactment of this Act, the Comptroller General 
shall publish online the cost analyses conducted under sub-
section (a). 
SEC. 3. ANALYSIS OF LIFECYCLE EMISSIONS OF E85 CAPA-
BLE FLEX-FUEL AND ELECTRIC VEHICLES. 
(a) ANALYSIS.—The Secretary of Energy, utilizing 
the most recent Greenhouse gases, Regulated Emissions, 
and Energy use in Transportation model (commonly re-
ferred to as the ‘‘GREET model’’) developed by Argonne 
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National Laboratory, shall conduct a lifecycle analysis of 
greenhouse gas emissions from each of the following types 
of vehicles: 
(1) A conventional gasoline vehicle. 
(2) An E85 capable flex-fuel vehicle. 
(3) A battery electric vehicle. 
(b) REPORT.—Not later than 1 year after the date 
of enactment of this Act, the Secretary of Energy shall 
submit to the Committee on Science, Space, and Tech-
nology of the House of Representatives, and the Com-
mittee on Commerce, Science, and Transportation of the 
Senate a report on the lifecycle analyses conducted under 
subsection (a). 
SEC. 4. DEFINITIONS. 
In this Act: 
(1) E85.—The term ‘‘E85’’ means a fuel con-
taining 85 percent ethanol and 15 percent gasoline. 
(2) FEDERAL
FLEET.—The term ‘‘Federal 
fleet’’ means the fleet of federally owned or operated 
motor vehicles as reported in the most recent Fed-
eral Fleet Report of the General Services Adminis-
tration. 
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(3) LIGHT-DUTY VEHICLE.—The term ‘‘light- 
duty vehicle’’ means a vehicle with a gross vehicle 
weight rating of less than or equal to 8,500 pounds. 
Æ 
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