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Introduction to Ethanol as a Fuel. What is Ethanol?. Also known as Ethyl Alcohol: C 2 H 6 O A clear, colorless liquid made through fermentation and distillation of any starch-containing material (corn, sorghum, potatoes, etc.) A valuable alternate fuel source. History of Ethanol Use.

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what is ethanol
What is Ethanol?
  • Also known as Ethyl Alcohol: C2H6O
  • A clear, colorless liquid made through fermentation and distillation of any starch-containing material (corn, sorghum, potatoes, etc.)
  • A valuable alternate fuel source
history of ethanol use
History of Ethanol Use
  • Originally a drink
  • Lamp fuel in late 1800s
  • Model-T Fords were originally designed to run on ethanol
history of ethanol
History of Ethanol
  • Army vehicles were powered by ethanol during World War II
  • Ethanol was used to supplement oil supplies in the 1970s
history of ethanol use1
History of Ethanol Use
  • First blends of gas and alcohol came in 1970s and were 10% ethanol - often referred to as gasohol
  • In the late 1990s, a blend was introduced that contained 85% alcohol (E-85)
  • Ethanol production is subsidized by the American government to promote use
benefits of ethanol
Benefits of Ethanol
  • Renewable resource
  • Increase fuel octane levels
  • Decrease engine emissions
  • Extend supply of gasoline
  • Reduce America’s dependence on foreign oil
  • The 10% ethanol blend produces engine performance comparable to 100% gasoline
ethanol around the globe
Ethanol around the Globe
  • Brazil and Sweden use large quantities of ethanol as fuel
  • Some Canadian provinces subsidize ethanol to promote use
  • In France, ethanol is made from fermenting grapes
why is ethanol use important
Why is Ethanol Use Important?
  • Clean Air Act Amendment -1990
  • Energy Policy Act -1992
  • These laws put strict emission guidelines in effect
  • Car companies developed Flexible Fuel Vehicles, which are capable of operating on up to 85% ethanol
methyl tertiary butyl ether
Methyl Tertiary Butyl Ether
  • This is an ingredient mixed with petroleum gasoline that has been recognized as being harmful to the environment.
  • The use of ethanol-blended fuels would practically eliminate the need for this substance.
references
References
  • Environmental Protection Agency, Transportation and Air Qualityhttp://www.epa.gov/oms