An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Regulations for Emissions from Vehicles and Engines

Final Rule for Phase 2 Emission Standards for New Nonroad Spark-Ignition Nonhandheld Engines At or Below 19 Kilowatts

On this page:

Rule Summary

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

In this action, EPA is finalizing a second phase of emission regulations to control emissions from new nonroad spark-ignition nonhandheld engines at or below 19 kilowatts (25 horsepower). These engines are used principally in lawn and garden equipment in applications such as lawnmowers and garden tractors. 

Additional Resources

Fact Sheet

Regulations for Emissions from Vehicles and Engines Home