Renewables could be the world's primary source of energy if only someone could solve the storage problem—how to store lots of electricity cheaply on a wide scale? Batteries are too expensive and don't ...

Today, high-performance clutch design is so sophisticated, and manufacturers' claims often so conflicting, that it's difficult to know just what type of clutch is best for your particular application.

• Next-generation flywheels will be capable of megawatt-level energy storage. • Beacon Power’s hubless flywheel will require a breakthrough in magnet design. The ability to store electricity for later ...

It's no secret that the successful future of wind, solar and other renewable sources hinges on the development of cost effective energy storage systems. Of the technologies currently in play, ...

After years of being billed as the next great revolutionary means of propulsion, flywheels may finally be ready for prime time. Aside from a few modest successes, flywheels have not lived up to this ...

Instead of using discrete permanent magnets to form the rotor of a flywheel’s integrated motor/generator, magnetic powder is mixed into the composite matrix. After the flywheel has been manufactured ...

Here’s a fuel-saving technology for a range of vehicles you probably haven’t heard about in a while: flywheels. Designed to capture and re-use braking energy, flywheels are now being tested not just ...