Originally established in 1992, the wind energy production tax credit has had a lot to do with fueling the growth of the nation's wind energy generating capacity since its inception. The National Renewable Energy Laboratory reports just how much the installed capacity for wind has grown in the years from 2000 through 2012, much of which has been enabled by the wind energy production tax credit subsidy: So with that kind of "success", why does the wind energy industry need a permanent tax credit? After all, the purpose of the tax credit was to greatly accelerate the growth of the...