At its peak, the automatic drive-throughs were fixtures at most petrol stations. I would hazard to say it became as much a luxury as a novelty rolled into one with the added bonus of convenience. Then something happened. Tastes changed. Demands evolved. People started talking about how car-washes left ugly whirly marks, or worse, scratches on paint jobs. Automation had gone wrong. And so, hand-washing slowly made a come-back.