text: The other thing is that it would cost people and the government more to keep the cars up and running with all the technology and also how many cars there will be to satisfy people. Also what would we do with all the old cars? Would we just junk all of the old cars? The smart cars would also have to be able to adapt to ever road condition as well if they are driverless and it would be hard to program all different cars for different conditions. It would also cost a lot to fund this in the first place and to get people to warm up to the idea.