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Community Oil Co - Cenex
E85 · Co-op · 910 10th St, Rock Valley, IA 51247
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
6am-6pm M-F, 6am-12pm Sat
As listed in the station locator. The E85 pump can have different hours from the store.
Paying
American Express, Cash, Checks, Discover, Mastercard, Visa, Voyager, WEX
Last confirmed: May 12, 2026
Source: US Department of Energy, Alternative Fuels Data Center station locator, station 35636. See the AFDC record. Downloaded Oct 29, 2026.