Data / Federal rules / 2026-01762

Air Plan Approval; Pennsylvania; Motor Vehicle Inspection and Maintenance Program Certification for Moderate Nonattainment Under the 2015 Ozone National Ambient Air Quality Standards

The Environmental Protection Agency published this final rule in the Federal Register on January 29, 2026. It took effect on March 2, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This SIP revision addresses Clean Air Act (CAA) requirements for the enactment of a Basic vehicle emissions inspection and maintenance (I/M) program for the five counties comprising the Pennsylvania portion of the Philadelphia-Wilmington-Atlantic City, PA- NJ-MD-DE Moderate nonattainment area (Philadelphia nonattainment area) for the 2015 8-hour ozone national ambient air quality standards (NAAQS). The SIP revision demonstrates that Pennsylvania's existing I/M program in the Philadelphia nonattainment area meets applicable requirements for a Basic I/M program. The EPA is approving this SIP revision to the Pennsylvania SIP in accordance with the requirements of the Clean Air Act (CAA).

Key facts

Document number: 2026-01762
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: January 29, 2026
Takes effect: March 2, 2026
Dates: This final rule is effective on March 2, 2026.
Docket: EPA-R03-OAR-2025-0130; FRL-11444-02-R3
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Nitrogen dioxide; Ozone; Particulate matter; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 3

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in January 2026

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.