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Non-Tech : Alternative energy -- Ignore unavailable to you. Want to Upgrade?


To: Bearcatbob who wrote (4969)6/21/2008 6:35:07 PM
From: Eric  Read Replies (2) | Respond to of 16955
 
Yup,

My brother pointed out to me about 20 years ago the efficiency of plants converting solar energy to stored matter. It averages a pathetic 3% or less.

So when you start putting in more energy to make ethanol it just doesn't make sense.