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The company, eWind Solutions just received $600,000 in federal grant money to develop an "energy harvesting tethered drone.” The principle is similar to that of a kite. A drone connected to a tether collects energy in the air where the wind speeds are higher. The goal is to generate 45,000 kilowatts per year, which is enough to power four or five homes per drone.

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01.01.1970 (18526 days ago)
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