Regional Diesel Collaboratives
The regional collaboratives achieve emission reductions across the country by linking states, nonprofit organizations, private industry, and local governments.
Clean Diesel Technologies
Clean diesel technologies reduce diesel emissions and their impact on human health.
Technology Verification
Technologies are evaluated for emission reductions & durability.
News & Announcements
April 21, 2015: EPA Awards $5 million in clean diesel grants to protect health of communities near ports
Awarded Grants
Read the Press Release
Clean Diesel &
Environmental Justice
Learn how disproportionately affected communities can help reduce harmful diesel emissions.