Most of the vehicles at the AltWheels Fleet Day were experimental or modified versions of existing models. But there were a few concept cars, including this Roopod prototype. This three-wheel microcar uses an aluminum body to weigh only 500 pounds. It runs on a diesel engine using waste vegetable oil to get an estimated 120 miles per gallon.
October 6, 2009 10:31 AM PDT
Photo by: Martin LaMonica
| Caption by: Martin LaMonica
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