In a crash, the filler neck could tear away from the tank, spilling fuel beneath the car, and the tank itself could also be punctured by the bolts protruding from the differential.
The filler neck could tear away from the tank. This is in a crash. The filler neck could tear away from spilling fuel beneath the car. This is in a crash. The filler neck could tear away from the tank. This is in a crash. Itself could also be punctured by the bolts. These bolts are protruding from the differential the tank.