autonomous cars are the future. It doesn't mean 100% of the locations will have autonomous cars...but especially in urban congested areas, it's the only option to have a car in a city.
Many people don't understand the concept on why we need it...here's a fantastic article on the chief google lead on their project and his vision (btw, he's a car guy, so he's not trying to get rid of cars):
http://www.roadandtrack.com/car-cult...ik-google-car/