Yes, all cars ecxept "special" ones (police, swat, etc.)
I don't know
And people want to give control of driving to computers? Yeah, right. Not me.
Be sure to work hard and get lots of overtime. People on welfare want more steaks and free upgrades to smart phones with unlimited data packages.
You can't have computer controlled cars on the same roads with human driven cars.
It sounds like it is still a long way off.
I remember back in the '90s it was being experimented with and we are now in 2014 and still nothing.