03/28/2008 02:44 am ET Updated Nov 17, 2011

Electric Motorcycles: Clean, Green, Silent Machines

Vectrix has released an all-electric scooter with nickel batteries that costs $11,000, and a few other companies have touted newer versions of the electric bike. Major manufacturers and venture capitalists, however, have not yet flocked to the field.

Zero executives, though, assert that motorcycles may be a better fit when it comes to battery-powered vehicles. At $6,900, the bike will be comparable with many 250cc gas-burning motorcycles.

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