Biofuels
Introduction to the Biofuel Industry While the term biofuels denotes any fuel made from biological sources, for most practical uses the term refers to either biodiesel or ethanol First, Second and Third Generation Biofuels 
The chart above provides an idea of the structure and evolution of the biofuels industry. Since 2000, the industry has been characterized by significant research and experimentation of a number of feedstocks and processes.
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