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

On this page:

• Rule Summary
• Additional Resources

Rule Summary

The Environmental Protection Agency (EPA) is promulgating new emission standards for oxides of nitrogen (NO_x) and carbon monoxide (CO) for commercial aircraft engines. This rule will adopt the current voluntary NO_x 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.

• Direct Final Rule (PDF)(12 pp, 242K, published May 8, 1997)

Additional Resources

Fact Sheets

• Adopted Aircraft Engine Emission Standards (PDF)(5 pp, 17K, EPA-420-F-97-010, April 1997)