Robots as helpers
This isn't Toyota's first foray into robots as conveyances. In fact, the automaker-and-then-some has come up with a string of such devices in recent years, from the three-wheeled to the two-legged . Rival carmaker Honda, of course, hasn't been at all shy about touting its own .
December 6, 2007 10:34 AM PST
Photo by: Koichi Kamoshida/Getty Images
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