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by stretchwithme 5316 days ago
It may very well be overly optimistic.

But many features of today's automobile are there because of human needs for performance. Optimize for efficiency for a moped-like 3 wheeled vehicle and you may get something completely different.

  http://www.niutoday.info/2011/09/14/supermileage-team-proves-nation’s-best-again/
I'm not saying cars will actually be like this, but robotic vehicles won't need mirrors or more than one seat or even a steering wheel. A lot of things are could change.