In-Use Testing for Heavy-Duty Engines and Vehicles
For a list of Heavy-Duty Highway regulations and standards, go to the Regulations and Standards page.
NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.
- Final Rule In-Use Testing for Heavy-duty Engines and Vehicles (published June 3, 2005)
- Press Release (June 3, 2005)
- Fact Sheet: Final Rule on In-Use Testing Program for Heavy-Duty Diesel Engines and Vehicles (also available as a PDF file, 4 pp, 42K, EPA420-F-05-021, June 2005)
- Federal Register Notice (also available as a PDF file, 34 pp, 552K, published June 14, 2005)
- Technical Support Document (PDF) (48 pp, 663K, EPA420-R-05-006, June 2005)
- Summary & Analysis of Comments (PDF) (50 pp, 447K, EPA420-R-05-007, June 2005)
- Memorandum of Agreement: Program to Develop Emission Measurement Accuracy Margins for Heavy-Duty In-Use Testing (PDF) (11 pp, 170K, May 2005)
- Test Plan to Determine PEMS Measurement Allowances for the Gaseous Emissions Regulated Under the Manufacturer-Run Heavy-Duty Diesel Engine In-Use Testing Program (PDF) (71 pp, 13.8MB, May 2005)
- Proposed Rule Control of Emissions of Air Pollution from New Motor Vehicles: In-Use Testing for Heavy-duty Engines and Vehicles (published June 10, 2004)
- Fact Sheet: Proposed In-Use Testing Program for Heavy-Duty Diesel Engines and Vehicles (PDF) (4 pp, 117K, EPA420-F-04-042, June 2004)
- Federal Register Preamble: Control of Emissions of Air Pollution From New Motor Vehicles: In-Use Testing for Heavy-Duty Diesel Engines and Vehicles; Proposed Rule (PDF) (20 pp, 180K, June 2004)
- Federal Register Regulatory Language: Control of Emissions of Air Pollution from New Motor Vehicles: In-Use Testing for Heavy-duty Engines and Vehicles (PDF) (10 pp, 140K)
- Draft Technical Support Document: In-Use Testing for Heavy-Duty Diesel Engines and Vehicles (PDF) (55 pp, 668K, EPA420-D-04-003, June 2004)