In the not so terribly distant future when all cars are full electric and gasoline is a controlled substance, the price of gas powered cars will drop to scrap value except for the few that are kept in museums and personal home dens (after knocking down a wall to get it in.
That is, until cold fusion is viable and something the size of a shoe box will power any car.....for nothing.
Hey, it's either I practice my pessimism or go outside in cold weather and shovel snow......again.
And the car will fold up into a handy case, so no parking fees either.