For example, Indianapolis drivers often fuel their race cars with E98 because of its high octane. Several projects currently under way, including the Co-Optimization of Fuels and Engines initiative , seek to understand the potential for improving engine efficiency through the use of ethanol blends and other high-octane biofuels. Ethanol production creates jobs in rural areas where employment opportunities are needed.
See the Pocket Guide to Ethanol The carbon dioxide released by a vehicle when ethanol is burned is offset by the carbon dioxide captured when the feedstock crops are grown to produce ethanol. This differs from gasoline and diesel, which are refined from petroleum extracted from the earth.
No emissions are offset when these petroleum products are burned. The higher your fuel economy with E85, the more money you'll save on fuel. So how do you get the best possible fuel economy? One way is to choose E85 fuel with the highest gasoline content. So some stations are selling E85 fuel with less ethanol and more gasoline content than advertised. With eFlexFuel kits, you can also blend gasoline and E85 however you like.
The amount of flex fuel your engine eats up depends on the ethanol content. Generally speaking, the higher the ethanol content, the lower the MPG. If you're worried about your vehicle's MPG, get flex fuel with a lower ethanol content. It still costs less than gasoline, because E85 is taxed less heavily. You can have full control over your vehicle's fuel consumption and fuel expense.
Please contact us if you have any questions or if you need help selecting the right eFlexFuel kit that meets your needs. Every reference to on road highway use on this site applies to other markets. Ethanol Ethanol is a renewable, domestically produced alcohol fuel made from plant material, such as corn, sugar cane, or grasses. E85 Conversions Transcript. Ethanol Preferred by Indy Racing Transcript.
Monthly Energy Review, July Knoll, K. West, W. Clark, R. Graves, J. Orban, S. Przesmitzki, and T. General Motors. Thomas, J. They can run on anything from percent gasoline to blends containing 85 percent ethanol.
All model standard vehicles and newer can run on E15 but can't handle the corrosiveness of higher ethanol percentages. The Society of Automotive Engineers and other supporters of E85 usage argue that if automotive manufacturers would recognize and take advantage of ethanol-based fuel's superior traits, they could make an ethanol engine that was as efficient as one powered by gasoline.
According to these proponents, an ethanol engine that can reach up to 22 percent more miles per gallon than a gasoline engine already exists. It's wrong, they say, to base ethanol engine design on that of a gas engine when ethanol is closer to diesel fuel.
Critics of E85 and ethanol, in general, argue that its lower heating value outweighs any benefits. Supporters counter that argument by pointing out that heating value does not factor into overall efficiency. Adding a fraction of gasoline to ethanol blends can counteract the low heating value. E85 also has higher octane content, which can provide more engine power.
Thanks to an abundance of corn, E85 is only going to become more common in the United States. Increased support and government subsidies mean that E85 and other flex fuels are here to stay. New Cars. Buyer's Guide. Type keyword s to search. Today's Top Stories. Tom Merton Getty Images. E85 Flex Fuel E85 is the most common form of flex fuel available on the market.
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