There already are :)
Awerides provides the facility of self driven cars on rent.
What makes you think half of all cars sold are not driven? I know of no one that has ever bought a car that did not drive it. So, I do not agree with your statement at all.What makes you think half of all cars sold are not driven? I know of no one that has ever bought a car that did not drive it. So, I do not agree with your statement at all.
there is about 2-3 billion cars driven each day.
2-3 billion cars are driven per day
Often, self-driving cars are safer than human-driven cars, but of course the software and the manufacturing aren't foolproof. Most car manufacturers who are working on self-driving cars suggest that the person in the driver seat monitor the situation, so they can take over if something goes wrong. Self-driving cars are a relatively new technology, and although they are already very good with a very very low incidence of accidents, I am sure that they will continue to get better and better.
First you say "self", then you say "driven". Neither of them is a particularly complex word.
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No they are not they are driven on the right side
23%
Predominantly cars manufactured in Europe and Asia.
No, only trains are driven in Euro Tunnel.
Most cars can be driven on the road, regardless of whether it runs off petrol, diesel, or even electricity. The only cars that can't be driven on the road are called carfish.