The bicycle is a great invention. It is an extremely efficient method of transportation, even more so than walking. So why not harness that efficiency for other things? [Tony] had that same thought so ...

Remember those "bottle"-type dynamos that rubbed against the side of your bike tire in order to power the lights? Well, they've gotten a high-tech makeover, in the form of the fork-mounted CadenceX ...

Bicycle generator technology has advanced far beyond the bottle dynamos of years past, which as often as not would introduce enough drag when engaged to stall the bike. Granted, it’s not as much of a ...

One of my bikes has a bottle dynamo that presses on the tire and powers the front lamp. The Siva Cycle Atom is a modern-day equivalent, only it won’t rub away your tire or slow you down, and it’ll ...

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 ...

Bicycle generators always seem like a good idea, but the friction caused by an old-fashioned pedal-powered dynamo can be a drag – literally. Miami-based startup Spinetics says its new CydeKick Pro ...

Penn State Hazleton students are participating in a community energy fair today, providing a demonstration of how bicycles can generate energy. Electrical engineering students, under the direction of ...

How to Build a Practical Household Bike Generator We built a pedal-powered generator and controller, which is practical to use as an energy source and exercise machine in a household – and which you ...

To put it as simply as possible, the Volume Generator is a beast. Forget your track bike, the Generator will chew it up and spit it out. It comes with an eight-speed internally geared hub, hydraulic ...

An curved arrow pointing right. This bike will give you 24 hours of power after a one-hour workout. The project was created by 5-Hour Energy founder Manoj Bhargava with developing countries in mind.