Portland's Green Gym Harnesses Human Energy

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While it may not appear to be so - Thanks to all the equipment and television screens, not to mention the bright lights, constant air-conditioning or heating, gyms are big energy users - A little ironic when you consider how much energy people expand whilst working out. Though there has been some sporadic attempts to harness the energy, nobody has taken it to the level of Portland-based Green Microgym.

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