What if I could harness this energy? An unusual question for anyone putting in a long stint on a treadmill perhaps, yet human power is a very old, practical, and empowering alternative to fossil fuels. Replacing motors with muscles can be considered a political act-an act of self-sufficiency that gains you independence. The Human-Powered Home is a one-of-a-kind compendium of human- powered devices gathered from a unique collection of experts.