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Regulations for Emissions from Vehicles and Engines

Final Rule for Control of Emissions From Highway Motorcycles

On this page:

Rule Summary

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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. 

Rule History

Additional Resources

Regulations for Emissions from Vehicles and Engines Home