And it is also inefficient because it is used in cars taking 4 passengers max so it can not really scale. But if a bus, a tram or a train would have a self dri

And it is also inefficient because it is used in cars taking 4 passengers max so it can not really scale. But if a bus, a tram or a train would have a self driving... but that smells like communism to our techbros from Silicon Valley.