Data / Federal rules / 2024-30246

Air Plan Revisions; California; California Mobile Source Regulations

The Environmental Protection Agency published this proposed rule in the Federal Register on December 19, 2024. Comments closed on January 21, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve all or portions of two submissions by the State of California ("State") to revise its State Implementation Plan (SIP). The submissions consist of State regulations establishing standards and other requirements relating to the control of emissions from certain new on-road vehicles and engines. The EPA is proposing to approve the SIP revision because the regulations meet the applicable requirements of the Clean Air Act. If finalized, approval of the regulations as part of the California SIP will make them Federally enforceable.

Key facts

Document number: 2024-30246
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: December 19, 2024
Comments due: January 21, 2025
Dates: Comments must be received on or before January 21, 2025.
Docket: EPA-R09-OAR-2024-0588; FRL-12486-01-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon oxides; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Ozone; Particulate matter; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 8

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on carbon oxides · Rules on environmental protection · Published in December 2024

Read from the Federal Register API, last updated 2026-10-24. 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.