Transportation Department, National Highway Traffic Safety Administration
NHTSA is announcing a 15-day extension of the comment period for the proposed rule entitled The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks, published in the December 5, 2025 issue of the Federal Register. NHTSA is also extending the comment period for the Draft Supplemental Environmental Impact Statement (Draft SEIS) that accompanies the proposed rule. The comment period was to end on January 20, 2026 (45 days after publication of the proposed rule in the Federal Register). This document extends the comment period to February 4 to allow the public additional time to comment on the proposed rule. NHTSA is denying requests for additional public hearings based on the number of testifiers that signed up to testify for NHTSA's virtual public hearing, which was announced via Federal Register notice on December 12, 2025 and held on January 7, 2026.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation National Highway Traffic Safety Administration 49 CFR Parts 523, 531, 533, 536, and 537 [NHTSA-2025-0491, NHTSA-2025-0490] RIN 2127-AM76 AGENCY: National Highway Traffic Safety Administration (NHTSA), Transportation. ACTION: Proposed rule; extension of comment period. SUMMARY: NHTSA is announcing a 15-day extension of the comment period for the proposed rule entitled The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks, published in the December 5, 2025 issue of the Federal Register . NHTSA is also extending the comment period for the Draft Supplemental Environmental Impact Statement (Draft SEIS) that accompanies the proposed rule. The comment period was to end on January 20, 2026 (45 days after publication of the proposed rule in the Federal Register ). This document extends the comment period to February 4 to allow the public additional time to comment on the proposed rule. NHTSA is denying requests for additional public hearings based on the number of testifiers that signed up to testify for NHTSA's virtual public hearing, which was announced via Federal Register notice on December 12, 2025 and held on January 7, 2026. DATES: The comment period for the proposed rule ( 90 FR 56438 ) published December 5, 2025, is extended. Comments on the proposed rule and Draft SEIS must be received by February 4. Late-filed comments may be considered so far as possible without incurring addit…
Citation: 91 FR 1494
