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" Hard labor never sounded so enlightened. By sweating it out on cardio machines specially wired to batteries, gym rats can now direct their energy output to operating their health club&amp;#039;s stereo systems, computers, and other plug-in gadgets. Adam Boesel, founder of the Green Microgym in Portland, OR, estimates that humans typically exude 50 watts of electricity an hour. &amp;quot;With 20 people working out for 24 hours, that&amp;#039;s enough to power a four-bedroom house for a month,&amp;quot; he says. Across the Pacific, stationary cyclists at California Fitness in Hong Kong illuminate overhead-light fixtures. An hour-long workout every day could prevent the release of 4380 liters of carbon dioxide per year, says the gym&amp;#039;s president, Colin Heggie. Yet one more reason to exercise daily. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.marieclaire.com/politics/news/a2238/green-gym-pedal-electricity/?click=rel>