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Video: Gravitational Energy Corp.

Gravitational Energy Corp., based in Cuyahoga Falls, has taken a novel spin on an old energy source: gravity. The Feltenberger Pendulum, invented by President and CEO Bruce Feltenberger, is designed to reduce fuel power consumption by about 50 percent by making gravity do much of the work. The company says its first application is a hand-operated water pump and filtration system that doesn't need any additional power source. Gravitational Energy Corp. announced late last year that it had donated such a system to Haiti in the aftermath of an earthquake there.

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