8 public E85 stations in Wyoming, led by Rock Springs, Cheyenne, Gillette. Search the map by address or ZIP.
E85 availability is limited. Plan ahead and use the route planner for road trips.
Wyoming has just 8 E85 stations for a state spanning 97,000+ square miles—meaning E85 stops can be 100+ miles apart. Despite having the highest FFV ownership per capita in the nation, infrastructure hasn't kept pace.
Wyoming produces minimal to no commercial ethanol. A former plant in Torrington reached 12 million gallons capacity in 2006 before closing. Wyoming isn't a corn-producing state—cattle ranching, wheat, hay, and sugar beets dominate. Ethanol must be trucked from Nebraska, Colorado, or other Corn Belt states.
Wyoming has no significant E85-specific incentives. The state's NEVI planning focuses entirely on EVs. Cold climate requires selling E70 as "E85" from October through May (winter blend) to ensure cold-start reliability.
Maverik is the primary E85 retailer. The Maverik at 3354 E Lincolnway, Cheyenne recently showed E85 at $1.99/gallon. Casper has limited options. The I-80 and I-25 corridors have very sparse E85 availability.
Virtually the entire state is a coverage gap: Northwestern Wyoming (Yellowstone region) has no coverage, Central Wyoming is very sparse, and I-80 across southern Wyoming is extremely limited. Distances between stations can exceed 100 miles.
Maverik Cheyenne showed E85 at $1.99/gallon—approximately 20% below gasoline. Winter E70 blends offer slightly better fuel economy than full E85.
Colorado is your E85 lifeline with 103 stations. Fort Collins, Greeley, and Denver offer good access. If entering Wyoming from the south, fill up in Wellington or Fort Collins. Nebraska provides eastern access with 111 stations. Montana has zero E85 stations—don't count on northern alternatives. Top off whenever you see E85 and be prepared to use regular unleaded between stations.
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.
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.
Learn 5 ways to identify if your vehicle is flex fuel compatible. Check for yellow gas caps, FFV badges, and use your VIN to verify E85 compatibility before filling up.
Maverik Cheyenne showed E85 at $1.99/gallon—approximately 20% below gasoline. Winter E70 blends offer slightly better fuel economy than full E85. Across Wyoming's 8 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.
Wyoming has 8 public E85 stations as of September 2026, according to the U.S. Department of Energy's Alternative Fuels Data Center. The most are in Rock Springs (4), Cheyenne (3) and Gillette (1). Those 3 cities account for about 100% of the state's stations, so coverage thins out quickly elsewhere.
Maverik is the primary E85 retailer. The Maverik at 3354 E Lincolnway, Cheyenne recently showed E85 at $1.99/gallon. Casper has limited options. The I-80 and I-25 corridors have very sparse E85 availability. For live station data, scroll up to the interactive map or plan a route through Wyoming.
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