Redline Version of EPA’s Proposed Regulation for Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions for SCR-Equipped Diesel Engines

Supporting & Related MaterialEPA-HQ-OAR-2026-0728-0009
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Title
Redline Version of EPA’s Proposed Regulation for Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions for SCR-Equipped Diesel Engines

The attachments include redline versions of the proposed amendments showing changes to existing text in the Code of Federal Regulations June 2026 Memorandum to Docket EPA-HQ-OAR-2026-0728 from Jessica Brakora, Alan Stout; Transportation Sector Impacts and Standards Division, USEPA

Posted
Jul 9, 2026