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Well, most of these proposals amount to converting the waste products of foresty operations to fuel, not dedicated energy crops. As such, the EROI is nigh-infinite - the energy is used regardless to produce timber, and then you turn the garbage you wind up with into fuel. This logic only holds as long as your supply of sawdust ect does, tough. Coppicing entirely for fuel was abandoned for good reasons.
by Thomas on Sat Jan 28th, 2012 at 05:25:50 AM EST
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