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Environmental Protection Agency · EPA-HQ-OAR-2025-0194

Rescission of the Greenhouse Gas Endangerment Finding and Motor Vehicle Greenhouse Gas Emission Standards Under the Clean Air Act

The Federal Register published the matched proposal on August 1, 2025 and the matched final rule on February 18, 2026, 201 days later.

Snapshot November 10, 2026

Official publication history

  1. Proposed Rule ·

    Public Hearing for Reconsideration of 2009 Endangerment Finding and Greenhouse Gas Vehicle Standards

    Document 2025-14555 · Notification of public hearing.

  2. Proposal ·

    Reconsideration of 2009 Endangerment Finding and Greenhouse Gas Vehicle Standards

    Document 2025-14572 · Proposed rule.

    Comment date listed September 15, 2025

  3. Comment period update ·

    Reconsideration of 2009 Endangerment Finding and Greenhouse Gas Vehicle Standards; Extension of Comment Period

    Document 2025-15512 · Notification; extension of public comment period.

    Comment date listed September 22, 2025

  4. Final rule ·

    Rescission of the Greenhouse Gas Endangerment Finding and Motor Vehicle Greenhouse Gas Emission Standards Under the Clean Air Act

    Document 2026-03157 · Final rule.

    Effective date in register data April 20, 2026

About this timeline

How the records were matched

America.co links a proposed rule and a later final rule when the Federal Register records share the exact docket identifier and lead agency. This snapshot covers records published from January 1, 2025 to November 10, 2026.

A docket can hold more than one regulatory action. Dates here are dates listed in individual notices. Later corrections, court actions, other dockets and records outside the date window may change what applies. Follow the official documents for the full text and effective dates.

Federal Register data source · Search Regulations.gov · Download this snapshot