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the Power Tube
What are the Power Tube's benefits to the environment? How does the Power Tube cut down on the cost of energy? How does the Power Tube use the Earth's heat to create power?
Power Tube, Inc. has developed a proprietary technology that utilizes the heat of the Earth to generate power. It is a closed-loop, geothermal, clean energy, renewable power plant.
Winner, NREL's 2003 Venture Competition