EPA Heavy-Duty Vehicle and Engine Greenhouse Gas Emissions Compliance Report
The following reports highlight the successful efforts of engine manufacturers to conform to emissions standards for heavy-duty engines from the years 2014-2021.
Model Years 2014-2022
- Addendum to Final Phase 1 EPA Heavy-Duty Vehicle and Engine Greenhouse Gas Emissions Compliance Report (Model Year 2022) (pdf) (182 KB, February 2024, EPA-420-R-22-028C)
- Addendum to Final Phase 1 EPA Heavy-Duty Vehicle and Engine Greenhouse Gas Emissions Compliance Report (Model Year 2021) (pdf) (177 KB, June 2023, EPA-420-R-22-028A)
- Final Phase 1 EPA Heavy-Duty Vehicle and Engine Greenhouse Gas Emissions Compliance Report (Model Years 2014-20) (pdf) (2.3 MB, November 2022, EPA-420-R-22-028)
Model Years 2014-2018
- Phase 1 EPA Heavy-Duty Vehicle and Engine Greenhouse Gas Emissions Compliance Report (Model Years 2014-18) (pdf) (1.9 MB, October 2021, EPA-420-R-21-001)