Federal transportation officials are rethinking their position on self-driving cars with an eye toward getting the emerging technology into the public's hands.
Just two years ago, the U.S. Department of Transportation struck a cautious tone. Its official policy statement, published in May 2013, says cars should be limited to testing and not "authorized for use by members of the public for general driving purposes."
With the technology's rapid development, that federal policy is being updated, Transportation Secretary Anthony Foxx said Tuesday.
"I want the posture of our agency to be obviously vigilant on the safety front, but I don't want our agency to be skittish about innovations that are out there," Foxx said.
It's unclear what the new policy will be, but Foxx clearly signaled that the technology intrigues him. He told reporters that he hoped the update overseen by his department's National Highway Traffic Safety Administration would be ready in "weeks, not months."
For several years, Google and a handful of automakers including Tesla Motors, Nissan and Honda have been testing prototypes equipped with a suite of sensors and cameras on public streets and highways, mostly in California.
Those cars must have someone behind the wheel, ready to take over. Some have gotten into collisions, though in each case the companies say a person in another car caused the accident.
Google has advocated getting self-driving cars into the public domain as quickly as possible once the tech titan concludes the technology is safe.
While states have taken the lead on regulating self-driving cars, policymakers in Washington hold indirect sway over states' decision-making. California's Department of Motor Vehicles in particular has sought federal guidance as it struggles with how to move the cars safely from small-scale road tests to broader adoption.
Language that the federal government is revisiting specifies that in states where the public can get access to the cars, a licensed driver should be behind the wheel.
Google sees that as unnecessary. It has argued that once cars can drive as safely as humans, it would be better to remove the steering wheel and pedals so that people don't mess up the ride.
A Google spokesman had no comment on word of the federal review.
The California State Transportation Agency has interpreted the 2013 federal guidance as urging caution. The federal update "reaffirms that the topic is evolving and one worthy of continued discussion and public input," spokeswoman Melissa Figueroa said.
The Department of Motor Vehicles is working to publish draft regulations by year's end, Figueroa said.
The draft was due last Jan. 1, but concerns such as proving that the technology is safe have held up those rules.
The nonprofit group Consumer Watchdog has been advocating restraint.
"The California DMV correctly is focused on getting the regulations correct, rather than rushing them out the door," John Simpson of Consumer Watchdog said in a written statement Tuesday. Federal authorities must "not succumb to corporate pressure to move so fast that our safety on the highways is compromised."