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Biofuels

Biofuels. Ethanol. Gasohol (E10). E85 – alternate fuel. Flex Fuel Vehicle. Brazil. Sugar cane Gas stations have E25 or E100. Ethanol from Cellulose. Biodiesel. Biodiesel Fuel. Processed diesel fuel derived from biological sources. Used in unmodified diesel engines.

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Biofuels

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  1. Biofuels

  2. Ethanol

  3. Gasohol (E10)

  4. E85 – alternate fuel

  5. Flex Fuel Vehicle

  6. Brazil • Sugar cane • Gas stations have E25 or E100

  7. Ethanol from Cellulose

  8. Biodiesel

  9. Biodiesel Fuel • Processed diesel fuel derived from biological sources. • Used in unmodified diesel engines.

  10. Straight Vegetable Oil (SVO) Used as fuel in modified diesel engines.

  11. Waste Vegetable Oil (WVO) Used as fuel in modified diesel engines.

  12. Making Biodiesel Fuel Oil or fat • transesterification Biodiesel fuel

  13. Making Biodiesel Fuel Triglycerides  Esters

  14. Limitations • B20 - unmodified diesel engines • B100 - requires modifications • Gelling problem

  15. Carbon Emissions Carbon emission reductions from replacing gasoline or diesel fuel by biofuels is about 2.0 MtC/billion gallons

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