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EthanolEthanol and E85Ethanol is starting to make itself known as an alternative fuel source. E85 (85% ethanol, 15% gasoline) cannot be used in a conventional engine; this may only be used in flexible fuel vehicles (FFVs). Several states are currently converting fleets of government vehicles to FFVs. While you need to purchase a new vehicle to be able to use E85, FFVs are compatible with regular gasoline, so you aren't quite so limited as to fuel type. Development HistorySince ancient times, ethanol has been used as fuel for cooking and lamps. The Industrial Age shifted our focus toward using oil for fuel rather than alcohol, and Prohobition further fueled this switch. Recently, however, ethanol has re-emerged as a fueling option. Many racing cars now run on an alcohol blend. Still, ethanol is currently more expensive than regular gasoline; who knows how the price differential will change in the near future. |
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