Germany 's Dusseldorf airport has installed a robotic parking system called Jet . It can be controlled via an app and retrieves cars based on flight arrivals data . It can retrieve 60 % more cars than a human operator and costs $ 5.50 an hour .
Germany 's Dusseldorf airport has installed a robotic parking system called RAY . It can be controlled via an app and retrieves cars based on flight arrivals data . It can park 60 % more cars than a human operator and costs $ 5.50 an hour .