Ethanol-Free Gas in Knoxville, IA
5 verified ethanol-free gas stations
Knoxville has 5 verified ethanol-free gas stations from 2 brands: Casey's and Kwik Trip. All 5 carry 87-octane E0. For 90-octane or higher E0, the closest option is Maverik in Colfax, Iowa, about 26 miles away. Every listing is independently verified; the most recent check in Knoxville was August 13, 2026.
Ethanol-Free Gas in Knoxville
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Ethanol-Free Gas in Knoxville: FAQ
Is there ethanol-free gas in Knoxville, IA?
Yes. Knoxville has 5 gas stations verified to sell ethanol-free (E0) gasoline: Casey's (4 locations) and Kwik Trip (1 location).
Does Knoxville have 90-octane or higher ethanol-free gas?
Not currently. Stations in Knoxville top out at 87-octane E0. The nearest station with 90-octane or higher is Maverik in Colfax, Iowa, about 26 miles away.
Which brands sell ethanol-free gas in Knoxville?
Casey's (4 locations) and Kwik Trip (1 location). All locations are independently verified through chain-website confirmation or direct source data; the most recent verification in Knoxville was August 13, 2026.