What is "Biofuels"
There are two main types of biofuels: Ethanol is a gasoline-type fuel made by fermenting sugars
into alcohol. Biodiesel is a diesel-type fuel made by separating glycerin from animal and vegetable oil to create methyl esters.
Biofuels can reduce costly petroleum imports, cut greenhouse gas emissions, increase farm income, and boost rural development.
Diagram of the biofuel cycle
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