Explaining The Universe on Instagram: "A gas station works by safely storing and delivering fuel to vehicles through an underground system. Large storage tanks buried below the station hold gasoline and diesel. When you pull up to a pump and select a fuel grade, an electric pump pushes fuel from the underground tank through pipes and up into the dispenser. The pump’s nozzle has a small sensor that automatically stops the flow when your tank is full, preventing spills. Inside the gas station, com