By the way, I'm assuming a taxi-like shared car fleet here, where you just get in some car that is available, it takes you where you want to go, and then goes t

By the way, I'm assuming a taxi-like shared car fleet here, where you just get in some car that is available, it takes you where you want to go, and then goes to pick somebody else up afterwards. Without that, you would not have the reduction in number of cars on the road and need for parking.