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: Control of Air Pollution From Aircraft and Aircraft Engines; Emission Standards and Test Procedures (pdf) (241 KB, published May 8, 1997)

Additional Resources

• Fact Sheet: Adopted Aircraft Engine Emission Standards (pdf) (16.7 KB, EPA 420-F-97-010, April 1997)