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Cheaper energy from caverns of compressed air?->

Submitted by Anonymous Coward
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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Cheaper energy from caverns of compressed air? More

Cheaper energy from caverns of compressed air?

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Airplanes are interesting toys but of no military value. -- Marechal Ferdinand Foch, Professor of Strategy, Ecole Superieure de Guerre