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Regulations for Emissions from Vehicles and Engines

Direct Final Rule for Control of Air Pollution From Aircraft and Aircraft Engines; Emission Standards and Test Procedures

On this page:

Rule Summary

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The Environmental Protection Agency (EPA) is promulgating new emission standards for oxides of nitrogen (NOx) and carbon monoxide (CO) for commercial aircraft engines. This rule will adopt the current voluntary NOx and CO emissions standards of the United Nations International Civil Aviation Organization (ICAO), bringing the United States aircraft standards into alignment with the international standards.

Additional Resources

Fact Sheets

Regulations for Emissions from Vehicles and Engines Home