2060-AW83 202510 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 2060 Office of Air and Radiation OAR 2000 Environmental Protection Agency EPA Amendments to the Model Year 2027 and Later Heavy-Duty Highway Engine Criteria Pollutant Program

Consistent with Administrator Zeldin's March 12, 2025, announcement, the EPA will initiate a rulemaking to reconsider the criteria pollutant standards program established in the January 2023 final rule titled Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards (88 FR 4296; January 24, 2023).

]]> Economically Significant Previously Published in The Unified Agenda Proposed Rule Stage Yes No Deregulatory 40 CFR Part 86 40 CFR Part 1037 40 CFR Part 1036 40 CFR Part 1065 40 CFR Part 1068 42 U.S.C. 7414, 7521, 7542, 7545, and 7601(a). 42 U.S.C. 7401 et seq. 42 U.S.C. 7401-7671q. 49 U.S.C. 32901-23919q, Pub. L. 109-58. 5 U.S.C. 552, 552a, 553 28 U.S.C. 509, 510, 534 31 U.S.C. 3717. 42 U.S.C. 7414 and 7511b(e). 42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601. 33 U.S.C. 1901-1912. Yes

In light of updated information provide by industry about the costs of the program EPA is reconsidering the existing program requirements.

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Clean Air Act Sections 202, 206, and 207.

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The EPA is still evaluating potential alternatives that may be considered for the proposal.

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The EPA is still evaluating the associated costs and benefits associated with the forthcoming proposed rule.

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The EPA is still evaluating the scope and risks associated with the forthcoming proposed rule.

]]> NPRM 07/00/2026 Final Rule To Be Determined No Federal No No 333618 Other Engine Equipment Manufacturing 336120 Heavy Duty Truck Manufacturing 336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing 811198 All Other Automotive Repair and Maintenance No No 2060-AU41 Related to Jessica Brakora 2060 Office of Air and Radiation OAR 734 214-4936 brakora.jessica@epa.gov 2000 Traverwood Drive, Ann Arbor MI 48105