Oklahoma Clean Diesel (DERA) Program

< back to Air Funding Opportunities

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 43 school districts have been able to replace and/or retrofit more than 287 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: Fiscal Year 2021

DEQ is now accepting applications for projects that reduce emissions from diesel vehicles. $734,342 of grant money is available for this fiscal year.

OpenFinal Application Deadline: December 10, 2021

Applications received by November 26, 2021 will be screened for completeness. For more information please refer to the Grant Solicitation.

Factsheets and Outreach:

Contact information:


Past Programs

DEQ has been running the Clean Diesel program since FY 2008. For more information please visit the Air Funding Program Recipients.

FY20 Materials

Factsheets and Outreach

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.