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Just howling at the moon
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I read of a dance floor in britain that uses the same technology. It generated about 1/2 the power that the club used.

Now the downside. There never was a ROI. It costs more to build and maintain than it ever can save. So just because we have the technology should be build with it or develop it further before building?

So how about this:

http://cleantechnica.com/2008/12/10...t-energy-generating-revolving-door/#more-1671
 
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