Instead of scooping up the fuel, you could think of it as laying out the fuel in a line behind the car. All the fuel starts off in the fuel tank, and slowly dra

Instead of scooping up the fuel, you could think of it as laying out the fuel in a line behind the car. All the fuel starts off in the fuel tank, and slowly drains out of the car. Fuel efficiency is how large the hole is that the fuel drains out of. In reality, it gets turned into a gas and blows away, but the effect is much the same.