Ethanol | Definition, Formula, Uses, & Facts | Britannica
2024年10月31日 · Ethanol is an important industrial chemical; it is used as a solvent, in the synthesis of other organic chemicals, and as an additive to gasoline. It is also the intoxicating ingredient of many alcoholic beverages.
Ethanol - Wikipedia
Ethanol has widespread use as a solvent of substances intended for human contact or consumption, including scents, flavorings, colorings, and medicines. In chemistry, it is both a solvent and a feedstock for the synthesis of other products.
Ethanol explained - use of ethanol - U.S. Energy Information ...
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.
Ethanol fuel in the United States - Wikipedia
In the U.S, ethanol fuel is mainly used as an oxygenate in gasoline in the form of low-level blends up to 10 percent, and, increasingly, as E85 fuel for flex-fuel vehicles. [4] . The U.S. government subsidizes ethanol production. [5][6]
Ethanol explained - U.S. Energy Information Administration (EIA)
Ethanol is made from biomass. Fuel ethanol is anhydrous, denatured alcohol that meets the American Society of Testing and Materials (ASTM) standard specification D4806 for ethanol use in spark-ignition engines.
Ethanol 101 | American Coalition for Ethanol
Why Use Ethanol as Fuel? 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. It’s also considerably less expensive than gas.
Ethanol Benefits and Considerations - Alternative Fuels Data Center
Ethanol Benefits and Considerations. Ethanol is a renewable, domestically produced transportation fuel. Whether used in low-level blends, such as E10 (10% ethanol, 90% gasoline), E15 (10.5% to 15% ethanol), or E85 (flex fuel)—a gasoline-ethanol blend containing 51% to 83% ethanol, depending on geography and season—ethanol improves public ...
Ethanol - Chemical Safety Facts
2022年10月14日 · Ethanol, also called alcohol, ethyl alcohol and grain alcohol, is a clear, colorless liquid and an ingredient in alcoholic beverages like beer, wine or brandy. Ethanol is a natural byproduct of plant fermentation and can be produced through the hydration of ethylene. Key Points/Overview. Uses & Benefits.
The Pros and Cons of Ethanol Fuel - Treehugger
2021年4月27日 · Ethanol is a relatively low-cost alternative fuel that boasts less pollution and more availability than unblended gasoline. But while there are many advantages of using ethanol as a fuel, there...
The Truth about Ethanol - Union of Concerned Scientists
2012年5月2日 · Ethanol use today: room for improvement. Nearly all of the gasoline sold in the United States contains 10 percent ethanol, which can safely be used in all of today’s gasoline-burning cars and trucks. “Flex-fuel vehicles” can run on blends of ethanol up to 85 percent (“E85”).