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By Brian Joseph, FairWarning 

Many of the self-driving cars in Google’s fleet are converted Lexus SUVs.

Many of the self-driving cars in Google’s fleet are converted Lexus SUVs.

On Valentine’s Day in Silicon Valley, one of Google’s experimental, self-driving cars sideswiped a city bus at 2 miles an hour. The incident marked the first time an autonomous car contributed to an accident on a public road, but did nothing to diminish the Obama administration’s enthusiasm for driverless vehicles.

A month after the crash, at an autonomous car conference in Dearborn, Mich., Mark Rosekind, the administrator of the National Highway Traffic Safety Administration, or NHTSA, said his agency and the federal Department of Transportation “are using all the tools we have available to advance what see as a revolution in technology,” according to his prepared remarks. “Our goal is to hasten this revolution.”