Power stored by flywheels, long a mainstay for uninterruptible power systems (UPS), has never been used for grid applications. That could change, according to California Energy Commissioner Art ...

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John Voelcker May 17, 2013 Comment Now! Sure, hybrids don't have the greatest reputation for driving appeal. But would you feel better about saving gasoline if you knew that the hybrid system in your ...

Antony Ingram March 26, 2014 Comment Now! When hybrid cars first appeared at the end of the 1990s they introduced a new concept to drivers: energy recovery under deceleration and braking. By ...

Gas/electric hybrid vehicles tend to be pricier than their conventional counterparts, and many people still worry about the limited range of all-electrics. If you want to move away from purely ...

Can you really improve fuel economy and performance just by taking a production car with a turbocharged 5-cylinder engine and adding Formula 1 race technology? To find out, we headed to Volvo ...

Christoph Thetard has developed a mechanical flywheel drive to power a set of kitchen appliances for his Diploma in Product Design at Bauhaus University in Weimar, Germany. The kitchen machine, coffee ...

Departing trains at a rail station could someday get their initial oomph for free, each time saving the equivalent of several days’ worth of electricity usage by an average U.S. household. The trains ...