E85 is increasingly common in the United States, mainly in the Midwest where corn is a major crop and is the primary source material for ethanol-fuel production.

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Apr 2, 2025 · Discover what E85 fuel is and how it works. This beginner-friendly guide explains ethanol-blended gasoline, benefits, drawbacks, and if it's right for your car.

Dec 31, 2025 · Learn all about E85 in our guide, what cars use it and availability of this biofuel. Find out what flex-fuel offers plus the advantages and disadvantages.

Jan 7, 2022 · E85 is a gasoline and ethanol blend, much like your regular gas. If you fill up on regular 87 octane, the ethanol/gas mix is probably 10% ethanol and 90% gasoline, labeled on the pump as E10 …

Nov 3, 2025 · Unlike pure gasoline that's oil-based, E85 is mostly made of ethanol. But if you want to know if E85 is ethanol free of gasoline, the answer is no. E85 is named as such because it's only …

Mar 30, 2025 · E85 — aka Flex Fuel — is a domestically produced, renewable, alternative fuel blend consisting of around 85-percent ethanol and 15-percent gasoline. Made for use in specially prepped …

Dec 11, 2025 · E85 gas is gasoline that contains from 51% to 83% ethanol (a plant-derived alcohol), according to the Environmental Protection Agency (EPA). Because cold weather affects combustion, …

E85 (or flex fuel) is a term that refers to high-level ethanol-gasoline blends containing 51% to 83% ethanol, depending on geography and season (see Fuel Properties and E85 Flex Fuel Specification).

May 7, 2025 · E85 is a blend of 85 percent denatured ethanol and 15 percent gasoline and is the highest ethanol fuel blend available in the market. Basic information on E85 is here.