It's called Energy Returned On Energy Invested -- EROEI. Engineering 101. Self explanatory. Don't put in more than you get out. These huge wind generators are miles from the break even point. All "green" energy is -- except sailing ships, circa 1700.
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It's called Energy Returned On Energy Invested -- EROEI. Engineering 101. Self explanatory. Don't put in more than you get out. These huge wind generators are miles from the break even point. All "green" energy is -- except sailing ships, circa 1700.