The Oklahoma Department of Environmental Quality announced it awarded $4,015,467 in Volkswagen Settlement funds to replace or repower diesel medium/heavy-duty trucks and shuttle/transit buses through the On-Road Program.
| A & A Trucking, Inc | $258,453.68 | 4 Heavy Duty CNG Dump Trucks |
| Atlas-Tuck Concrete, Inc | $443,600.96 | 8 Heavy Duty Diesel Concrete Mixer Trucks |
| Canadian County District 1 | $110,744.58 | 1 Heavy Duty Diesel Dump Truck |
| Central Oklahoma Transportation and Parking Authority | $666,661.00 | 1 Heavy Duty CNG Transit Bus and 2 Medium Duty CNG Shuttle Buses |
| City of Elk City | $213,039.75 | 1 Heavy Duty CNG Trash Truck |
| City of Lawton | $638,532.00 | 3 Heavy Duty Diesel Dump Trucks and 2 Heavy Duty Diesel Waste Haulers |
| City of Moore | $162,153.00 | 1 Medium Duty CNG Grapple Truck |
| City of Midwest City | $200,000.00 | 1 Heavy Duty CNG Refuse Truck |
| City of Norman | $450,000.00 | 1 Heavy Duty Electric Transit Bus |
| Oklahoma City Environmental Assistance Trust | $302,000.00 | 2 Heavy Duty CNG Refuse Trucks |
| City of Stroud | $66,198.00 | 1 Medium Duty Diesel Dump Truck |
| Sysco Oklahoma, LLC | $66,198.00 | 14 Heavy Duty Diesel Freight Trucks |
| City of Tulsa | $189,504.42 | 14 Heavy Duty Diesel Freight Trucks |
Others received funding for the Clean Diesel program.
| Allen PS | $26,742.25 | Replacement of one 2007 diesel school bus with one EPA-certified 2018 or newer school bus |
| Cave Springs PS | $19,882.25 | Replacement of one 2004 diesel school bus with one EPA-certified 2018 or newer school bus |
| Central High PS | $18,954.00 | Replacement of one 2007 diesel school bus with one EPA-certified 2018 or newer school bus |
| Claremore PS | $21,955.25 | Replacement of one 1999 diesel school bus with one EPA-certified 2018 or newer school bus |
| Enid PS | $38,375.00 | Replacement of one 1999 diesel school bus with one EPA-certified 2018 or newer school bus |
| Fairland PS | $19,000.00 | Replacement of one 2004 diesel school bus with one EPA-certified 2018 or newer school bus |
| Kingfisher PS | $40,000.00 | Replacement of one 2002 and one 2004 diesel school buses with two EPA-certified 2018 or newer school buses |
| Mannford PS | $21,000.00 | Replacement of one 1996 diesel school bus with one EPA-certified 2018 or newer school bus |
| Miami PS | $41,104.00 | Replacement of one 1998 and one 2002 diesel school buses with two EPA-certified 2018 or newer school buses |
| Mustang PS | $71,124.75 | Replacement of two 2002 and one 2004 diesel school buses with three EPA-certified 2018 or newer school buses |
| Shady Grove PS | $19,700.00 | Replacement of one 2005 diesel school bus with one EPA-certified 2018 or newer school bus |
| Talihina PS | $19,675.00 | Replacement of one 2002 and one 2003 diesel school buses with two EPA-certified 2018 or newer school buses |
| Taloga PS | $21,230.00 | Replacement of one 1999 diesel school bus with one EPA-certified 2018 or newer school bus |
| Yukon PS | $84,893.00 | Replacement of one 2000, two 2004, and one 2005 diesel school buses with four EPA-certified 2018 or newer school buses |
| Zaneis PS | $20,495.00 | Replacement of one 2006 diesel school bus with one EPA-certified 2018 or newer school bus |