I'm already on board with the idea of not owning a car, but I'm just waiting for it to become practical. For me, the biggest obstacle is that there isn't a car

I'm already on board with the idea of not owning a car, but I'm just waiting for it to become practical. For me, the biggest obstacle is that there isn't a car sharing service near me, so I'd like an autonomous car to deliver itself right into my driveway on 5 minutes notice.