It is the split-second mistake every driver dreads. You hear the click of the pump nozzle, look down, and realize you’ve just put the wrong fuel into your vehicle. As the panic sets in, a common thought immediately springs to mind: “I’ve only put a little bit in. Can you dilute wrong fuel just by filling the rest of the tank up with the correct fuel and driving away?” It sounds like a logical, money-saving shortcut. But before you touch that ignition key or reach for the corr