Home / Agencies / DOT / 2026-11069
Final Rule

Federal Motor Vehicle Safety Standards No. 303; Fuel System Integrity of Compressed Natural Gas Vehicles

Agency
DOT
Document Number
2026-11069
Published
June 3, 2026
Effective Date
July 6, 2026

Abstract

On May 30, 2025, NHTSA published a notice of proposed rulemaking (NPRM) proposing to remove obsolete text in Federal Motor Vehicle Safety Standard (FMVSS) No. 303, "Fuel system integrity of compressed natural gas vehicles". The agency received no comment on the proposed changes to FMVSS No. 303, and therefore the agency is adopting the changes in this final rule.

Federal Register Source

This document is published by the Office of the Federal Register, National Archives and Records Administration. Access the full regulatory text, preamble, and docket comments below.

View Full Text on FederalRegister.gov →

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Frequently Asked Questions

What is the 2026-11069 Federal Register document?
Document 2026-11069 is a Final Rule published by the Department of Transportation in the Federal Register on June 3, 2026, with an effective date of July 6, 2026. On May 30, 2025, NHTSA published a notice of proposed rulemaking (NPRM) proposing to remove obsolete text in Federal Motor Vehicle Safety Standard (FMVSS) No. 303, "Fuel system integrity of compressed natural gas vehicles". The agency received no comment on the proposed changes to FMVSS No. 303, and therefore the agency is adopting the changes in this final rule. View the original at https://www.federalregister.gov/documents/2026/06/03/2026-11069/federal-motor-vehicle-safety-standards-no-303-fuel-system-integrity-of-compressed-natural-gas.
Is document 2026-11069 an economically significant rule?
No. Document 2026-11069 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.

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