Wind gets cheaper, but energy for building turbines wanes
http://interlochenpublicradio.org/post/wind-gets-cheaper-energy-building-turbines-wanes By PETER PAYETTE Michigan has a number of wind farms because the state basically made them mandatory in 2008. That was when lawmakers decided a certain amount of our electricity must come from renewable resources, and utilities built wind turbines to comply. Now, wind energy is, by some measurements, among the cheapest ways to …
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