Could have blown up both the car and the house.

That's the ticket!

Something that can happen if you top off the tank... the cool fuel from the tank in the ground will heat up and expand. If it is full enough it will flow out the vent or a leaky filer cap.

Had a 56 ford PU do it often. Always an adventure to get into the cab that reeks of fuel and turn the key.

Click click booooom