The Economist analyses ''The Driverless Car''. 

Nobody is sure when it will arrive.

Google, which is testing a fleet of autonomous cars, thinks in maybe a decade, others reckon longer. A report from KPMG and the Centre for Automotive Research in Michigan concludes that it will come “sooner than you think”.

And, when it does, the self-driving car, like the ordinary kind, could bring profound change..

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