Cost Calculations for the Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions for SCR-Equipped Diesel Engines: Draft Regulatory Impact Analysis (DRIA)

Supporting & Related MaterialEPA-HQ-OAR-2026-0728-0044
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Title
Cost Calculations for the Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions for SCR-Equipped Diesel Engines: Draft Regulatory Impact Analysis (DRIA)

Attached find a zip file of the python cost tool used to estimate program costs, benefits and net benefits associated with the Proposed Rule. Also included are pre-processing scripts to prepare the MOVES files for the python tool and post-processing R-scripts used to generate tables presented in Section VI of the Preamble and Chapter 3 of the DRIA. To access these materials, reach out to the EPA Docket Center Public Reading Room staff at docket-customerservice@epa.gov. The docket number for this rule is EPA-HQ-OAR-2026-0728 This zip file is not available in Regulations.gov. Please contact the EPA Docket Center, Public Reading Room to view this document. Address: 1301 Constitution Ave. NW, Room 3334, Washington, DC 20004. Telephone: 202-566-1744; Fax: 202-566-9744; Email: docket-customerservice@epa.gov.

Posted
Jul 9, 2026