That's the idea at the University of Kansas.
The school plans to put exercising students to work generating electricity.
Fifteen elliptical workout machines at a student fitness center will be connected to generators hooked into the building's electric grid.
The 15 elliptical trainers will produce about 10 kilowatts of energy a day.
That's about what a student apartment would use.
The Student Environmental Board is picking up the $15,000 tab for the project.
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