A few weeks ago Keegan Stephan, a bike mechanic and member of environmental group Time's Up! brought with him to the Occupy Wall Street protests a device he built over a year ago to power his ...

With a pedal generator, you can turn human effort into usable energy—ideal for off-grid setups, emergency backups, or just a fun DIY project. This guide gives you a fast-track look at how pedal ...

An adult human can produce about 100 Wh of mechanical power whilst cycling, which is a not inconsiderable amount if you can convert that to electricity with reasonable efficiency. In a recent article ...

There are generators with enough power for home backup that roll on wheels and technically are portable. But when we talk ...