Ethanol (which is also called ethyl alcohol or grain alcohol, and abbreviated as EtOH) is an alcohol-based alternative fuel that is blended with gasoline to produce a fuel with a higher octane rating and fewer harmful emissions than unblended gasoline.
Ethanol production also supports farmers and creates domestic jobs. And because ethanol is produced domestically, from domestically grown crops, it reduces U.S. dependence on foreign oil and increases the nation’s energy independence. So it also happens to be good for the economy too!
Agricultural production in general and that which yields ethanol in particular is also implicated in the Dead Zone in the Gulf of Mexico. Ethanol yields far less energy than oil products for the amount of energy needed to get it out.
For Cars: Currently there are 8 alternative fuel sources defined the U.S. Energy Policy Act of 1992. These are ethanol, natural gas, electricity, hydrogen, propane, biodiesel, methanol, and P-Series fuels (a hybrid of ethanol, natural gas liquids and methyltetrahydrofuran). Globally the most popular alternative fuel is ethanol used in a blend called E85 which mixes 85% ethanol and 15% gasoline.
For more information about these alternative fuels you can visit the Alternative Fuels and Advanced Fuels website.
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