Data / Federal rules / 2026-06388

Air Plan Approval; Oregon; 2024 Vehicle Inspection Program Updates

The Environmental Protection Agency published this final rule in the Federal Register on April 2, 2026. It took effect on May 4, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is approving and incorporating by reference into the Oregon State Implementation Plan (SIP) the revisions submitted by the Oregon Department of Environmental Quality (ODEQ) on April 3, 2025. The SIP revision updates rules for the Vehicle Inspection Program (VIP) which is applicable in the Portland and Medford areas, and includes a demonstration that the requested revisions will not interfere with attainment or maintenance of any national ambient air quality standard (NAAQS) or with any other applicable requirement of the Clean Air Act (CAA or Act). The EPA is approving these revisions because they meet the applicable requirements of the CAA.

Key facts

Document number: 2026-06388
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: April 2, 2026
Takes effect: May 4, 2026
Dates: This final rule is effective May 4, 2026.
Docket: EPA-R10-OAR-2025-0181; FRL-12873-02-R10
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon monoxide; Environmental protection; Incorporation by reference; Intergovernmental relations; Lead; Nitrogen dioxide; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; 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 carbon monoxide · Rules on environmental protection · Published in April 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.