We've made some changes to EPA.gov. 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.

EPA's website will operate in a diminished capacity on Saturday Feb 17, 2018 from 8:00 a.m. to noon EST for routine maintenance. Some services, such as search, may be temporarily unavailable for brief periods during this time. We apologize for any inconvenience.

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.