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A clean ride
A clean ride
Autos are banned in Masdar. Instead, commuters can hop on the personal rapid transit (PRT) system, which will consist of some 3,000 electric cars that operate on a recyclable lithium-cadmium battery, whose charge can be topped off while the vehicle is waiting at a station. Each car can hold six passengers, who will be transported nonstop to any one of 83 stations in the city.

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Last updated December 03 2008: 10:34 AM ET
Eco-friendly city of the future The Emirate of Abu Dhabi begins construction on its green city, Masdar. See the plans for this $15 billion undertaking. More video