An accompanying human driver with a "red button" made sure the robot vehicle could not get out of control and become a danger to the public.

The patent is a victory for Google, which has been out on the road this year demonstrating the benefits of robot vehicles.

None of the robot vehicles finished the route.

None of those who attended appeared skeptical about the future of robots or robot vehicles.

Amazing what one could do with the robot vehicles that were still being sent up from Earth.

We are very close to being able to accomplish this with small roving robot vehicles.

Computers process data from the robots' sensors and other instruments, control traffic and coordinate the activities of the robot vehicles with production needs.

An unmanned robot vehicle brought them into the city and dropped them off in front of the Administrator's palace.

Much later, a robot vehicle approached the cabin and announced the presence of law enforcement.

And that robot vehicle, moving back and forth between the poles, what is its purpose?