The lower economic class will use the self-driving self-cleaning taxis. The middle class will have their own cars and use high-efficiency parking. It will be n

The lower economic class will use the self-driving self-cleaning taxis. The middle class will have their own cars and use high-efficiency parking. It will be no hardship to use a short, tight slot six blocks away. The upper class will have their own cars and good parking. Some will even have "drivers", because babysitting a fancy car is one of the less unpleasant ways for the "driver" to earn his negative income tax credits.