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Introduction to Ethanol as a Fuel

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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Introduction to Ethanol as a Fuel

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  1. Introduction to Ethanol as a Fuel

  2. 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

  3. History of Ethanol Use • Originally a drink • Lamp fuel in late 1800s • Model-T Fords were originally designed to run on ethanol

  4. History of Ethanol • Army vehicles were powered by ethanol during World War II • Ethanol was used to supplement oil supplies in the 1970s

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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.

  10. References • Environmental Protection Agency, Transportation and Air Qualityhttp://www.epa.gov/oms

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