That's why we were excited to find the Efurden 2500-Watt Portable Generator on sale at Walmart for just $297. You can save 50 ...

A couple of weeks ago, we headed out to Potenco’s amazing headquarters at the decommissioned Alameda Naval Base to check out their power generator for the developing world. It looks a bit like a yo-yo ...

This week at TreeHugger: We revisit Potenco’s ingenious pull-cord generator, get some hands-on experience with it and get up close and personal with its human power generation goodness. Unipixel has ...

You know the drill when it comes to powering up gadgets: You use up electricity, it leads to your hard-earned cash ending up in the pocket of energy companies, and the environment gets hurt. The ...