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To: yard_man who wrote (4691)3/6/2006 10:13:32 PM
From: Moominoid  Read Replies (2) | Respond to of 218578
 
Even if ethanol has a net surplus, it is far lower than for oil, coal etc. To run an economy on ethanol and the like means having most of the energy produced devoted itself to energy production. At least as long as EROI is less than 2.