Energy: Not your father's biofuels

Tollefson, Jeff
February 2008
Nature;2/21/2008, Vol. 451 Issue 7181, p880
Academic Journal
The article focuses on the production of biofuels. Biotechnology companies are making efforts to produce fuels from crop residues, grasses or woody materials that avoid the limitations of ethanol distilled from corn starch or biodiesel produced from oil crops. Some firms are trying to make fuels better suited to the needs of the existing fuel infrastructure. Many petroleum firms are also making such efforts. Almost 23 percent of the corn crop in the U.S. is used to produce ethanol which is used as a transportation fuel.


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