Ethanol-Free Gas in Marshalltown, IA
6 verified ethanol-free gas stations
Marshalltown has 6 verified ethanol-free gas stations from 2 brands: Casey's and Kwik Trip. All 6 carry 87-octane E0. For 90-octane or higher E0, the closest option is Maverik in Grinnell, Iowa, about 22 miles away. Every listing is independently verified; the most recent check in Marshalltown was August 13, 2026.
Ethanol-Free Gas in Marshalltown
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Ethanol-Free Gas in Marshalltown: FAQ
Is there ethanol-free gas in Marshalltown, IA?
Yes. Marshalltown has 6 gas stations verified to sell ethanol-free (E0) gasoline: Casey's (5 locations) and Kwik Trip (1 location).
Does Marshalltown have 90-octane or higher ethanol-free gas?
Not currently. Stations in Marshalltown top out at 87-octane E0. The nearest station with 90-octane or higher is Maverik in Grinnell, Iowa, about 22 miles away.
Which brands sell ethanol-free gas in Marshalltown?
Casey's (5 locations) and Kwik Trip (1 location). All locations are independently verified through chain-website confirmation or direct source data; the most recent verification in Marshalltown was August 13, 2026.