So a lot of the discution about getting people "out of cars" is not about getting people to never drive, but to get them to not own a car, such that they have to make the concious decision of renting a car for the holidays, if this is the best choice, for instance. What you describe sound like this.
Obviously, this opens the question of how to improve the car rental market to make those options real options. This is where car-sharing systems and the like come in.