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.

Verified Technologies for SmartWay and Clean Diesel

Clean Diesel Technology

Reducing exposure to diesel exhaust from diesel engines is especially important for human health and the environment.  EPA offers funding for projects that reduce diesel emissions from existing engines.