Driverless cars could be good for environment

Proponents argue that driverless cars — also called “autonomous cars” — are inherently more sustainable than their manned counterparts. For one, they say, once they are widely available, many of us will forgo owning our own cars in favor of car-sharing, whereby the autonomous vehicle comes to you, charged and ready to go, as needed. Thus the result could be far fewer cars on the road than today. According to Steve Gutmann of the Seattle-based sustainability think tank Sightline Institute, such a car-sharing scenario would also obviate the need for many parking spaces. Today the typical private car spends upward of 90 percent of its time parked.
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