Steven Chu, left, U.S. Energy Secretary, discusses advanced biofuels during a town-hall discussion with moderator John Kneiss of Hart Energy Consulting during the 2012 Biomass Conference held in Washington, D.C. in July.
Abengoa Bioenergy's first cellulosic ethanol refinery - under construction in Hugoton, Kan. June 2012 photo courtesy of Abengoa Bioenergy.
Camelina, a biomass weed crop, can be grown in the West on marginal farm land with minimum water requirements to produce cellulosic ethanol for transportation fuels.
Christopher Standlee, left, discusses Abengoa Bioenergy's first U.S. cellulosic ethanol plant.
Western Farm Press
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