Quote:
Originally Posted by Nage Waza
It doesn't work like that. For you to bike for an entire hour would require an caloric intake of food far greater than 2 cents. So you would gen the value of 2 cents and consume the value of ten dollars. 
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Yeah, exactly. The only place it could be viable would be a gym, as the gym isn't paying for the food, and they have a ton of bikes/ellipticals running all the time. However, the system to put that energy back on the grid would almost certainly be too expensive to pay itself off in a reasonable amount of time.