Corn-derived ethanol is usually considered to have a net energy ratio of around 2 or less. This new process will have a much better energy ratio. It will use fast-growing poplar trees as feedstock. These can be grown in regions and on soils unsuitable for row crops like corn and many other food crops.
The Energy Blog: ZeaChem Announces Poplar Tree Feed Stock Agreement for High Yield, High Efficiency Bio-Refinery
Thursday, March 13, 2008
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