Find E85 flex fuel stations throughout Oklahoma. Use the interactive map below to locate stations near you.
E85 is available in major areas. Check station locations before heading out.
Oklahoma offers 96 E85 stations—a respectable count given the state has zero operating ethanol plants. Proximity to Kansas and Texas ethanol production supplies Oklahoma's E85 market.
Oklahoma's agricultural focus centers on wheat, cattle, and oil/gas—not corn. Multiple ethanol plant proposals failed in the mid-2000s. Kansas produces 642 million gallons annually from 12 plants just to the north, serving as Oklahoma's ethanol source.
Oklahoma's incentives favor natural gas over ethanol, reflecting the state's strong natural gas industry. The E15 Retailer Tax Credit provides just $0.016/gallon for ethanol blended into gasoline. School and government fleets must use alternative fuels when stations are within 5 miles and prices are competitive.
Casey's General Stores operates 115 stations in Oklahoma and serves as the primary E85 retailer. Phillips 66 (headquartered in Oklahoma) offers E85 at select Midwest locations. OnCue and Love's Travel Stops have limited E85 availability.
Western Oklahoma has very limited E85 access. The Panhandle region has virtually no stations. Eastern Oklahoma is sparse. I-44 between Tulsa and Oklahoma City has limited coverage.
Oklahoma has among the lowest gasoline prices nationally. Historical E85 spreads show only about a 10.7% discount versus gasoline—below the ~23% threshold needed to offset E85's lower energy content, making E85 less financially attractive here than in Midwest states.
Casey's locations are your most reliable E85 source. Northern Oklahoma near the Kansas border offers easier access to that state's E85 network. If driving through western Oklahoma or the Panhandle, fill up before leaving metro areas.
E85 is an ethanol-heavy fuel blend (51-83% ethanol) for flex fuel vehicles. Learn what E85 is, how it differs from regular gas, benefits, drawbacks, and if it's right for your car.
Compare the real-world costs of E85 versus regular gasoline for your vehicle. Learn how to calculate cost per mile and determine if E85 saves you money.
Find out if you can safely mix E85 and regular gasoline in your flex fuel vehicle, what happens if you accidentally use E85, and how FFVs handle mixed fuels.
Oklahoma has among the lowest gasoline prices nationally. Historical E85 spreads show only about a 10.7% discount versus gasoline—below the ~23% threshold needed to offset E85's lower energy content, making E85 less financially attractive here than in Midwest states. Across Oklahoma's 96 public E85 stations, actual savings vary by retailer and regional transport costs. Remember to adjust for E85's roughly 25–27% lower fuel economy when calculating cost per mile.
Only factory-certified flex fuel vehicles (FFVs) should run E85. Check your Oklahoma vehicle for a yellow fuel cap, a "Flex Fuel" badge, an E85 sticker inside the fuel door, or confirm via the owner's manual or VIN decoder. Using E85 in a non-FFV can damage fuel lines, injectors, and seals — see our full FFV identification guide.
Casey's General Stores operates 115 stations in Oklahoma and serves as the primary E85 retailer. Phillips 66 (headquartered in Oklahoma) offers E85 at select Midwest locations. OnCue and Love's Travel Stops have limited E85 availability. For live station data, scroll up to the interactive map or plan a route through Oklahoma.
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