>>All machines break down at some point. What will be the cost when this happens? Will they be able to anticipate potential problems in order to react?<<
Modern vehicles do this now. And humans break down too and with greater frequency than machines.
Bring on the driverless cars. They will be better than 99.99% of all the idiots I have seen on the roads in almost all states (here in Texas and in Wisconsin are the worst).
We will know driverless autos are perfect when they know how to flip off other cars and when.
You haven’t been to Oregon....where people drive UNDER the posted speed