July 27, 2007Trulite develops a portable hydrogen-powered generator. It's not enough to power your house, but it can recharge power tools or run a laptop.Photo: Trulite's generatorTAGS:hydrogen, generator, contractor, fuel cell, battery, laptop computer
February 2, 2007Purdue scientists build eco-friendly generator for military; device is fueled by waste, including paper, plastic, cardboard and food.
Photo: Trash transformerTAGS:generator, fuel, trash, scientist, military, food, researcher
January 4, 2007The wind industry is best known for propeller-based turbines. But some inventors believe kites and balloons can capture wind power as well.Images: 'Flying' wind generatorsTAGS:kite, turbine, wind power, balloon, wind, generator, electricity
June 27, 2006At the source of power for much of the Pacific Northwest, amazement at what man can build--and sadness at the costs. Photos: A view of Grand CouleeTAGS:dam, visitor, generator, laser, voice, history, U.S.