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How many industries will self-driving cars disrupt?

Self-driving cars could free up commuters' time, sharply reduce auto accidents and disrupt a wide range of industries.

Released this week in connection with the Geneva Motor Show, a new report from consulting firm McKinsey & Co. projects increasing acceptance of so-called autonomous vehicles out to 2050. The most startling prediction: Self-driving vehicles could slash auto accidents -- mostly caused by driver error -- by up to 90 percent.

"That would cut health care costs, the cost of lost wages and government benefits to those out of work," McKinsey senior partner Hans-Werner Kaas told CBS MoneyWatch in an interview. If that scenario plays out, total annual savings in the U.S. economy alone could be $190 billion, the report says.

McKinsey expects the spread of autonomous vehicles will go through three phases as technological and regulatory changes make them more feasible. First will come commercial vehicles like mining trucks, many of which already operate without drivers, repeating a route over the same controlled roads. Second, self-driving vehicles will let increasing numbers of commuters use car services similar to Uber or other alternatives rather than driving their own car. Third, by 2050 individuals will begin to buy self-driving cars -- perhaps 20 percent of new car sales then.

Taking a test ride in a Google self-driving car 03:07

For most of us, the time saved in commuting will be one of the main attractions. McKinsey projects that the 50 minutes per day spent by big-city commuters worldwide could instead be used for work, relaxation or entertainment. Internet entertainment companies could get a boost in business.

In addition to the broad changes for auto manufacturers that come with building self-driving cars, their adoption will disrupt a wide array of industries, the McKinsey report says. Here are some details:

  • Auto insurance. Your insurance company now is basically insuring you against human error -- the cause of most auto accidents. But in a self-driving-car environment, some of that liability would shift to technical failure brought on by faulty equipment or inadequate design. In that case, auto manufacturers might also need protection against liability as well as the owner of the car -- whether an individual or business.
  • Auto repair. The now-thriving network of independent auto repair and body shops would likely suffer. "With many fewer accidents, there won't be nearly as much accident-related repair work," says McKinsey's Kaas. In addition, the equipment needed to maintain and repair self-driving cars will be increasingly complicated and expensive. This will likely shift business to the service departments of well-capitalized dealerships. In addition, fleet owners will likely do their own maintenance and repair.
  • Parking garages. With more people using some kind of car service instead of their own vehicles, the need for center-city parking spaces will drop. McKinsey projects that in the U.S. alone, a stunning 61 billion square feet of parking space could be saved. That equals the surface covered by Grand Canyon National Park plus Zion National Park.

The move toward self-driving cars clearly will come in fits and starts. Even as the technology advances quickly, regulators and legislators concerned about public safety are skeptical about allowing such revolutionary vehicles onto public roads.

But Google -- with the most active development program for self-driving cars -- already has had sufficient waivers to test its vehicles. Google's engineers have piloted test cars 700,000 miles with only one accident -- caused by a human driver in another car.

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