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| Free Energy from Air Heat Pumps – is that Magic? CleanTechnica But strangely, no marketing emphasis is put on the incredible energy efficiency of the air heat pump! Yet the only energy it needs is the small amount of electricity needed to drive the fan to squirt the heated air, and an air compressor. ... See all stories on this topic » | ||
| With Generators Gone, Wall Street Protesters Try Bicycle Power New York Times (blog) A few weeks ago he brought it to Zuccotti Park to serve as an example of how people there might create pollution-free energy. Then, on Friday, the Fire Department confiscated several gasoline-powered generators that protesters had been using in the ... See all stories on this topic » |
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