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the boats are petroleum-powered. But the energy input is minimal compared to the overall energy input of the wind farm. The EROEI is generally estimated to be in the low 20s, meaning that it takes 6 months to "recoup" the initial energy costs.

Wind power
by Jerome a Paris (etg@eurotrib.com) on Sun Jul 11th, 2010 at 06:58:52 AM EST
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