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Flex Fuel Fairness Act of 2025
To require the Administrator of the Environmental Protection Agency to ensure that flexible fuel vehicles may use certain gram per mile carbon dioxide values for purposes of determining fleet average carbon dioxide standards for certain vehicles.
Summary
This bill requires the Environmental Protection Agency to revise its fuel economy standards to give flexible fuel vehicles (vehicles that can run on E85 ethanol fuel) a lower carbon dioxide compliance value compared to standard gasoline-only vehicles. Under the bill, manufacturers could count a flexible fuel vehicle as having a carbon dioxide rating 31 percent lower than the equivalent non-flex fuel model when calculating their fleet average emissions. The EPA may increase this reduction percentage if newer scientific data from the GREET model supports a larger adjustment. The bill is based on findings that E85 fuel, made from corn ethanol, reduces greenhouse gas emissions by 37 percent per mile compared to gasoline.
AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.
Sponsor (1)
- Sen. Klobuchar, Amy [D-MN] (D-MN)
1 cosponsor
- Sen. Ricketts, Pete [R-NE] (R-NE)
Actions (2)
- Jul 15, 2025 Read twice and referred to the Committee on Environment and Public Works. · senate
- Jul 15, 2025 Introduced in Senate
Similar bills (6)
Bills with similar text or summary — includes reintroductions across Congresses. Ranked by semantic similarity of the bill text (computed locally); a neutral discovery aid, not a claim the bills are duplicates.
Full text
IN THE SENATE OF THE UNITED STATES
July 15, 2025
Ms. Klobuchar (for herself and Mr. Ricketts) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works
A BILL
To require the Administrator of the Environmental Protection Agency to ensure that flexible fuel vehicles may use certain gram per mile carbon dioxide values for purposes of determining fleet average carbon dioxide standards for certain vehicles.
Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,
SECTION 1. SHORT TITLE.
This Act may be cited as the “Flex Fuel Fairness Act of 2025”.
SEC. 2. FINDING.
Congress finds that the Greenhouse gases, Regulated Emissions, and Energy use in Technologies (GREET) model developed by Argonne National Laboratory finds that E85 fuel made with average corn starch ethanol reduces greenhouse gas emissions by 37 percent per mile traveled as compared to gasoline with no ethanol.
SEC. 3. DEFINITIONS.
In this Act:
(1) Administrator.—The term “Administrator” means the Administrator of the Environmental Protection Agency.
(2) Flexible fuel vehicle.—The term “flexible fuel vehicle” has the meaning given the term in section 86.1803-01 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act).
(3) Manufacturer.—The term “manufacturer” has the meaning given the term in section 216 of the Clean Air Act (42 U.S.C. 7550).
SEC. 4. FLEXIBLE FUEL VEHICLE COMPLIANCE VALUE.
(a) In General.—Not later than 120 days after the date of enactment of this Act, the Administrator shall revise section 86.1818- 12 of title 40, Code of Federal Regulations, to ensure that, for purposes of determining fleet average CO<INF>2</INF> standards under that section, manufacturers may use a gram per mile CO<INF>2</INF> value for flexible fuel vehicles that is 31 percent lower than the gram per mile CO<INF>2</INF> value for the same vehicle make and model that is not a flexible fuel vehicle.
(b) Further Adjustment.—The Administrator may, by regulation, apply a larger percentage reduction in the gram per mile CO<INF>2</INF> value for flexible fuel vehicles than the percentage described in subsection (a) if the Administrator determines that the larger percentage reduction is appropriate based on a version of the Greenhouse gases, Regulated Emissions, and Energy use in Technologies (GREET) model developed by Argonne National Laboratory after the date of enactment of this Act. <all>
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