Final Rule for Control of Emissions From Highway Motorcycles
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Rule Summary
This action adopted: revised exhaust emission standards for highway motorcycles; exhaust emissions standards for motorcycles of less than 50 cubic centimeters in displacement, which had not previously been subject to EPA regulations; and new permeation standards for all classes of highway motorcycles.
- Final Rule (pdf) (429 KB, published January 15, 2004)
- Summary and Analysis of Comments (pdf) (470 KB, EPA420-R-03-016, December 2003)
- Final Regulatory Support Document (pdf) (565 KB, EPA420-R-03-015, December 2003)
Rule History
Additional Resources
- Fact Sheet: EPA Finalizes Emission Standards for New Highway Motorcycles (pdf) (114 KB, EPA420-F-03-044, December 2003)
- Frequently Asked Questions: In-Depth Information for Motorcycle Owners on EPA’s New Emission Standards for Highway Motorcycles (pdf) (128 KB, EPA420-F-03-045, December 2003)