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South Ridge Travel Plaza
E85 · Co-op · 2950 S Main Ave, Sioux Center, IA 51250
Flex-fuel vehicles only. E85 is not approved for gasoline-only cars. How to check yours. Pumps can change or be out of service, so call ahead if you can.
Hours
5am-10pm M-F, 6am-10pm Sat-Sun
As listed in the station locator. The E85 pump can have different hours from the store.
Fuel
E85: Yes
Blender pump: Yes
Other ethanol blends: E15, E20–E25, E30–E35, E40+
Paying
American Express, Cash, Discover, Debit, Mastercard, Visa
Last confirmed: Apr 14, 2026
Source: US Department of Energy, Alternative Fuels Data Center station locator, station 105459. See the AFDC record. Downloaded Oct 29, 2026.