Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions for SCR-Equipped Diesel Engines.
🏛 Environmental Protection Agency (EPA)EPA-HQ-OAR-2026-0728
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Rules, notices, and supporting material — the primary rule pinned first.
- Other· Jul 9, 2026No comment period