Regulations for Emissions from Vehicles and Engines

Final Rule for Gasoline Spark-Ignition Marine Engines; Exemptions for New Nonroad Compression-Ignition Engines at or Above 37 Kilowatts and New Nonroad Spark-Ignition Engines at or Below 19 Kilowatts

Rule Summary

EPA is regulating exhaust emissions from new spark-ignition (SI) marine engines for the first time. These standards apply for outboard engines, personal watercraft engines, and jet boat engines. This rule also adds a national security exemption for Nonroad Compression-Ignition (CI) and Small SI sectors.

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Additional Resources

Regulations for Emissions from Vehicles and Engines Home