Data / Federal rules / 2025-22594

Air Plan Disapproval; Ohio; E-Check Attestation Provisions

The Environmental Protection Agency published this proposed rule in the Federal Register on December 11, 2025. Comments closed on January 12, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to disapprove a revision to the Ohio State Implementation Plan (SIP) submitted on July 9, 2025, by the Ohio Environmental Protection Agency (Ohio EPA). The revision, which Ohio EPA submitted pursuant to Ohio Amended Substitute House Bill 54 ("E-Check Ease Act"), includes provisions that would create an alternative to state-run mandatory on- board diagnostic (OBD) inspections with a self-attestation program that allows motorists to self-attest that their vehicles comply with emissions requirements. This approach is inconsistent with statutory and regulatory requirements for Enhanced inspection and maintenance (I/ M) programs under the Clean Air Act (CAA) and would interfere with attainment and reasonable further progress toward the 2015 ozone National Ambient Air Quality Standards (NAAQS).

Key facts

Document number: 2025-22594
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: December 11, 2025
Comments due: January 12, 2026
Dates: Comments must be received on or before January 12, 2026.
Docket: EPA-R05-OAR-2025-1048; FRL-13020-01-R5
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Ozone; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 4

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 December 2025

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.