Glossary


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Liquid fuel & gas produced from two types of biomass? - plant sugars or starches (e.g., grains), or cellulosic materials; it is produced through fermentation, gasification?, or pyrolysis?. Commercial-scale? cellulosic biofuel? technology not yet widely available.

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A visit to switchgrass? trial plots run by Iowa State University researchers; near Ames, IA. Photo by CL Williams, 2010.