About ethanol content in gasoline


Helping to reduce fossil fuel emissions.
Ethanol is a non-fossil fuel that is produced from a variety of agricultural crops such as sugarcane, corn and wheat. As of December 15, 2010, Canada’s Renewable Fuels Regulations require an average renewable fuel content of 5% in gasoline.*

How much ethanol is in regular gasoline?

Almost all regular gasoline now has some ethanol in it. Our Esso branded gasoline currently contains up to 10%. Gasoline with 10% ethanol content is known as E10, and with 15% ethanol it’s known as E15. Ethanol flex fuel (formerly known as E85) has between 51% and 83% ethanol, with the remainder being gasoline. E15 is only appropriate for use in flex fuel vehicles or a very small percentage of the newest vehicles. Anything higher than E15 ethanol content is only appropriate in flex fuel vehicles. Refer to your owner’s manual to confirm your vehicle’s requirements.

FAQs about ethanol

Ethanol contains less energy than gasoline per gallon of fuel, but any changes in the fuel economy performance of your vehicle are expected to be minimal.
Water in your vehicle’s fuel system may cause problems regardless of whether ethanol is present or not. A number of products are available to remove water from your fuel system. You should consult your mechanic for a recommendation.
Regular vehicle maintenance is always recommended, regardless of fuel type. Gasoline containing up to 10% ethanol is suitable for use in most vehicles and will not require additional maintenance.
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Esso and Esso Extra are trademarks of Imperial Oil Limited. Imperial Oil, licensee.
*Sources: "Ethanol" and "Ethanol: Government Programs and Regulations" Natural Resources Canada. 16 Nov. 2013. Government of Canada. 06 May 2014
**Improvements, such as fuel economy, are based based on Synergy-branded gasoline, where available, compared to gasoline meeting minimum Canadian government detergency standards. Actual benefits will vary depending on factors such as vehicle type, driving style, and gasoline previously used. All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries.