Final Rule for Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy-Duty Highway Engines and Vehicles; Revision of Light-Duty On-Board Diagnostics Requirements
Rule Summary
In this rule, EPA finalized a new program to reduce emissions from on-highway, heavy-duty engines and vehicles. These reductions will provide for cleaner air and greater public health protection, primarily by reducing ozone pollution. This program was the first phase of a multi-phase strategy to reduce emissions from heavy-duty engines and vehicles.You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- Final Rule (PDF)(84 pp, 931 K, published October 6, 2000)
- Regulatory Impact Analysis (PDF)(157 pp, 534 K, EPA-420-R-00-010, July 2000)
- Response to Comments (PDF)(152 pp, 421 K, EPA-420-R-00-011, July 2000)
Rule History
Additional Resources
Fact Sheet
- Final Emission Standards for 2004 and Later Model Year Highway Heavy-Duty Vehicles and Engines (PDF)(4 pp, 17 K, EPA-420-F-00-026, July 2000)