(Photo via NHTSA)

Is the Chevy Volt dangerous?

A pair of fires following crash tests of the Chevy Volt has critics questioning the safety of electric cars. But are batteries really more fire-prone than gasoline?
Photo via NHTSA

A 500-mile electric car?

Researchers at IBM aim to increase the energy density of batteries, with the goal of producing an electric car that can travel 500 miles on a single charge.