driverless car
The move comes after a fatal crash involving a Tesla in Autopilot mode.
He says they're way safer than human drivers.
Bad roads could pose serious problems for autonomous vehicles.
Google will make its case before Congress on Tuesday.
WHAT'S HAPPENING
Investigators are trying to figure out "exactly what happened."
It could've been worse.
A new plan in China shows us why.
Self-driving cars don't always react quickly to obstacles on the road.
This might be the first case of an autonomous car hitting another vehicle.