Stock Photo - A bottle of ethanol and some of the materials ethanol can be made of at the National Renewable Energy Laboratory, operated by the US Department of Energy, where scientists are developing economical processes for making cellulosic ethanol from non-edible plants, Golden, Colorado, USA

Stock Photo: A bottle of ethanol and some of the materials ethanol can be made of at the National Renewable Energy Laboratory, operated by the US Department of Energy.

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