The full size car games are quite popular in arcades these days, especially in the Japan but now a system called Park to Play enables a similar system to be connected to your own car. You can then set the system up to use your accelerator pedal and brake pedal and your steering wheel as controllers.
The video shows the sytem being used for Tetris and Pinball but the possibilities are endless with the latest racing games. Imaging using your own car to play Gran Turismo 5 or The Need for Speed.
Time to clear out the garage for some ultimate racing!