If you like working out and don't mind sweating a little on vacation, a trip to the Crowne Plaza Hotel in Copenhagen might be in your future. The eco hotel is rewarding hotel guests who pedal electricity-generating stationary bikes outside the hotel for about 15 minutes--enough to generate 10 watt hours of power.
In return, the Crowne Plaza Hotel in Copenhagen gives these hard-working guests a $36 meal voucher. iPhones located on each of the stationary bikes give an up-to-the-minute report of the wattage each guest's cycling has yielded.
Fitness-Fueled Eco Hotels
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Solar-Powered Bus Stops
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Gyms Powered by Exercising Patrons