Oregon State University (3/4 of their power is from renewable sources already) is harnessing the energy of exercise machines from students working out, to generate and convert it to electricity and to feed it back into the power grid. The effort will produce an estimated 3,500 kilowatt hours of electricity in a year. It’s the first university to do this. Check out the full article. Hmmm, a library’s electronic resources and servers powered by exercise? Multitasking at its (greenest) best.