Toyota i-ROAD concept vehicle

In the realm between cars and motorcycles, many automakers see a potential market for city-only personal vehicles that combine aspects of both modes. Here's Toyota's latest idea for such a vehicle, the i-Road, an all-electric three-wheeler that can travel 30 miles on a charge and leans into corners.

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A model tries Toyota Motor Corp's one-seater mobility machine called 'i-swing' during the preview for the 39th Tokyo Motor Show 2005 on October 19, 2005 in Chiba, Japan. The show will be opened to the public from October 22 to November 6. (Photo by Koichi Kamoshida/Getty Images)
A model tries Toyota Motor Corp's one-seater mobility machine called 'i-swing' during the preview for the 39th Tokyo Motor Show 2005 on October 19, 2005 in Chiba, Japan. The show will be opened to the public from October 22 to November 6. (Photo by Koichi Kamoshida/Getty Images)