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+-   Cheaper energy from caverns of compressed air?-> on Wednesday July 02 2008, @04:47PM Anonymous Coward

Submitted by Anonymous Coward on Wednesday July 02 2008, @04:47PM
earth
An anonymous reader writes "By using the Earth's vast underground caverns to store compressed air generated by wind farms at night, several U.S. municipalities will be "going green" by using that stored energy to generate daytime electricity on the cheap. According to this story, engineers at a National Lab think compressed air stored in underground caverns could cut in half the cost of electricity."
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no brainer: A decision which, viewed through the retrospectoscope, is "obvious" to those who failed to make it originally.