Skip to main content
Divisions |
Air Quality

Oklahoma Clean Diesel (DERA) Program

The Clean Diesel program has allowed many entities across the state to replace their old diesel vehicles, thus improving the air quality for the children, environment, and citizens of Oklahoma. More than 87 school districts have been able to replace 275 and retrofit 302 diesel school buses. This EPA-sponsored program is funded under the federal Diesel Emissions Reduction Act (DERA); Volkswagen Settlement funds are used to match federal funds.

Current Program

Application Period Open!
Eligible projects will be awarded until funds are depleted, at which point this page will be updated

If you have questions about the program please see the Frequently Asked Questions (FAQ) page.

For more information on the VW Settlement please see the Volkswagen Home Page.

Subscribe to Clean Diesel Updates If you would like to receive updates on the Clean Diesel Grant Program you can sign up for our Clean Diesel mailing list.

Last Modified on Oct 14, 2025
Back to Top