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Photos: Earth-friendly cars

At U.N. World Environment Day 2005 in San Francisco, carmakers show off fuel cell-powered vehicles and more.

    Earth-friendly cars

    Mayors from around the world met at U.N. World Environment Day 2005 in San Francisco last week to create a plan for a sustainable urban future. At an opening day festival for the event, more than 60 companies showed off fuel cell-powered vehicles such as the new Honda FCX. Other carmakers showcasing fuel-efficient vehicles included Nissan, GM, DaimlerChrysler and Toyota.

    Credit: Michelle White

    Honda FCX

    Earth-friendly cars

    Honda's fuel cell stack provides power to the compact car. It can operate at temperatures as low as 4 below zero and as high as 203 degrees.

    Credit: Michelle White

    Honda's Fuel Cell Stack

    Earth-friendly cars

    The 705-pound ZAP Intimidator LUV electric car is more diminutive than intimidating. ZAP stands for "zero air pollution."

    Credit: Michelle White

    ZAP Intimidator

    Earth-friendly cars

    If the Intimidator is still too big for you, the company's Zappy Xpress scooter might do the trick. The $399 Xpress zips along at 17 mph and can travel up to 20 miles on a single charge.

    Credit: Michelle White

    Zappy Xpress scooter