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EPA Heavy-Duty Engine Criteria Pollutant Compliance Reports

This report summarizes credit balances in the voluntary Averaging, Banking and Trading program for both oxides of nitrogen and particulate matter for Heavy-Duty On-Highway Engines. This report takes into account the provisions of the recently published HD On-Highway criteria pollutant rule titled “Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engines and Vehicle Standards,” (signed December, 2022; Federal Register January 24, 2023).

EPA Heavy-Duty Engine Criteria Pollutant Compliance Report (Model Year 2022) (pdf) (304 KB, October 2024, EPA-420-R-24-020)

EPA Heavy-Duty Engine Criteria Pollutant Compliance Reports

Compliance and Fuel Economy Data