Oklahoma Clean Diesel (DERA) Program

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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 schools 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 2020


The application period closed on December 4, 2020


Factsheets and Outreach:

Contact information:


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