Data / Federal rules / 2024-04023

Request From States for Removal of Gasoline Volatility Waiver

The Environmental Protection Agency published this final rule in the Federal Register on February 29, 2024. It took effect on April 29, 2024.

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What the agency says

Pursuant to provisions specified by the Clean Air Act (CAA), the Governors of Illinois, Iowa, Minnesota, Missouri, Nebraska, Ohio, South Dakota, and Wisconsin submitted petitions requesting that EPA remove the 1-pound per square inch (psi) Reid vapor pressure (RVP) waiver for summer gasoline-ethanol blended fuels containing 10 percent ethanol (E10). EPA is acting on those petitions by removing the 1-psi waiver in those States effective April 28, 2025. This action also finalizes regulatory amendments to implement the removal of the 1-psi waiver for E10 in those States, as well as a regulatory process by which a State may request to reinstate the 1-psi waiver. Finally, consistent with a decision issued by the United States Court of Appeals for the D.C. Circuit on July 2, 2021, this action removes regulations that extended the 1-psi waiver to gasoline-ethanol blends between 10 and 15 percent ethanol (E15).

Key facts

Document number: 2024-04023
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: February 29, 2024
Takes effect: April 29, 2024
Dates: This rule is effective on April 29, 2024.
Docket: EPA-HQ-OAR-2022-0513; FRL-9845-02-OAR
Regulation ID (RIN): 2060-AV73
Code of Federal Regulations: 40 CFR 1090
Topics: Administrative practice and procedure; Air pollution control; Environmental protection; Fuel additives; Gasoline; Petroleum
Pages: 16

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on administrative practice and procedure · Rules on air pollution control · Rules on environmental protection · Published in February 2024

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.