Someday, when fully autonomous vehicles are a reality, private car ownership and public transportation might plummet in favor of faster, better and cheaper mobility-on-demand services fulfilled by driverless cars. Imagine Uber powered by fleets of Google self-driving cars.

Such services underlie intriguing future scenarios where “robotaxis” provide door-to-door service while enabling significant reductions in transportation cost, enhancing mobility for millions saddled with limited access to private and public transportation, relieving congestion, and reducing the need for parking.

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