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Freeplay FreeCharge Weza
The Weza Portable Energy Source is a foot-powered device that allows individuals to pump out power at a 40-watt clip to charge its own internal battery, which is capable of providing a powerful jolt to car batteries and AC or DC.
http://www.freeplayenergy.com/portableEnergy.html
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Windstream Power Systems
Windstream Power Systems designs and manufactures residential and commercial renewable power systems using wind, solar, and microhydro energy. We also specialize in educational products like our Human Power Generator.
http://www.windstreampower.com/
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HumanCar
The HumanCar is a street legal human powered car featuring patented technology: Bodysteer, and SafeRail.
http://www.humancar.com/
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TWIKE
The Twike is a human-electric hybrid vehicle, designed to carry two passengers comfortably through any weather with speed and style, and without harmful emissions of any kind.
http://www.twike.com/
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