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  1. E85 - Wikipedia

    E85 Logo used in the United States for E85 fuel E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume.

  2. What is E85? Complete Guide to Flex Fuel & Ethanol Gasoline

    Nov 6, 2025 · E85 is an ethanol-heavy fuel blend consisting of up to 85% ethanol and 15% gasoline, making it the highest ethanol fuel blend available at retail pumps. Let’s dive into …

  3. E85 Fuel Explained: What to Know About Ethanol-Blended Gasoline

    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.

  4. E85 Guide: Everything You Need To Know About Flex Fuel

    Dec 31, 2025 · Also known as flex fuel, E85 is a gasoline-ethanol blend containing between 51% to 85% ethanol, depending on the season and geographic region of the distributor.

  5. A Complete Guide to Flex Fuel and E85 Gas - CARFAX

    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 …

  6. What Is E85 Gas, And Is Fuel Economy The Only Downside?

    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 …

  7. What Is E85 Gas and Should You Use It? - Advance Auto Parts

    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 …

  8. E85 (Flex Fuel) - Alternative Fuels Data Center

    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 …

  9. E85 Ethanol Fuel Guide: Benefits, Drawbacks, and Maintenance

    Aug 14, 2025 · Explore E85 ethanol fuel's benefits, drawbacks, maintenance tips, government incentives, and how to find fueling stations. Learn everything about using E85 fuel effectively.

  10. E85 Fuel - US EPA

    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.