Can kinetic energy help replace fossil fuels? Power from revolving doors, soccer balls & tiles: the next frontier in clean energy

Dear EarthTalk: I recently heard about a cafe in the Netherlands that harvests so-called “kinetic” energy from its revolving door to power its interior lights. Is there potential for kinetic energy to provide significant amounts of electricity to help replace fossil fuels? —Doug Mola, Boise, ID                      […]