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Ethanol fuel is fuel containing ethyl alcohol, the same type of alcohol as found in alcoholic beverages. It is most often used as a motor fuel, mainly as a biofuel additive for gasoline. Several common ethanol fuel mixtures are in use around the world.
Ethanol is a renewable fuel made from various plant materials collectively known as "biomass." More than 98% of U.S. gasoline contains ethanol to oxygenate the fuel. Typically, gasoline contains E10 (10% ethanol, 90% gasoline), which reduces air pollution.
The most common use of fuel ethanol is in mixtures of finished motor gasoline. Most gasoline sold in the United States contains some ethanol. The exact amount may vary by region and season of the year. In general, the ethanol content of motor gasoline does not exceed 10% by volume.
While most gasolines sold in the United States come with an ethanol content of at least 10%, non-ethanol gas or “clear gas” is still an option. Although both fuels work in most gasoline engines, here are some differences you should be aware of when you go for your next fill up.
Ethanol is blended with gasoline. Nearly all motor gasoline now sold in the United States is about 10% ethanol by volume. Motor gasoline with 10% ethanol content by volume is called E10. Any gasoline-powered vehicle in the United States can use E10. Cars, light trucks, and medium-duty vehicles starting with model year 2001 can use E15.
Ethanol has most commonly been produced through fermentation of sugars, and methanol has most commonly been produced from synthesis gas, but there are more modern ways to obtain these fuels. Enzymes can be used instead of fermentation. Methanol is the simpler molecule, and ethanol can be made from methanol.
Ethanol is an important industrial chemical; it is used as a solvent, in the synthesis of other organic chemicals, and as an additive to automotive gasoline (forming a mixture known as a gasohol). Ethanol is also the intoxicating ingredient of many alcoholic beverages such as beer, wine, and distilled spirit s.
Ethanol is a superior alternative to gasoline. It’s a renewable fuel that burns cleaner than gas. With an octane rating of 115, it improves fuel quality and power output when blended with sub-octane gasoline.
Ethanol is a widely used, domestically produced renewable fuel made from corn and other plant materials. Ethanol can be blended with gasoline in different amounts.
Ethanol is a widely used, domestically produced renewable fuel made from corn and other plant materials. Ethanol can be blended with gasoline in different amounts. In fact, more than 98% of gasoline sold in the United States contains ethanol to oxygenate the fuel and help to reduce air pollution.