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Net energy analysis should become a standard policy tool

It takes energy to make energy, whether it's renewable or a fossil fuel. Net energy analysis gauges the sustainability of energy technologies over time.

Mark Shwartz
June 26, 2014
Gamesa / NREL
Stanford researchers encourage the use of net energy analysis, which compares the amount of energy generated by relatively new technologies, such as these wind turbines at a Pennsylvania factory, with the energy required to manufacture and maintain them.