Zero Motorcycles: An all-electric ride

Heavy metal thunder? Maybe not. But clean and "green" for sure. Zero Motorcycles, a start-up in Scotts Valley, Calif., is steering motorcycle technology in a different direction by going all-electric. The company's motorcycles run on 50-pound, lithium ion batteries, averaging 45 to 55 miles on one charge. SmartPlanet visits the company's manufacturing operations to see what's inside its bikes