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Contact: Mark Shwartz
Stanford University

It Takes Energy to Make Energy

Caption: It takes energy to make energy technologies, like the lithium-ion battery that helps power this Chevrolet Volt. Net energy analysis calculates how much energy a technology produces and consumes over time to assess its long-term sustainability.

Credit: Mark Shwartz/Stanford University

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Related news release: Net energy analysis should become a standard policy tool, Stanford scientists say

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