Yes. One of the usual YT channels had this interesting picture. Gas mileage is miles per gallon. Or in this case, do it the European way: l/100km. The unit of t

Yes. One of the usual YT channels had this interesting picture. Gas mileage is miles per gallon. Or in this case, do it the European way: l/100km. The unit of that is an area. Typically a rather small one, ca 0.1mm^2. That's the area of a trench you have to dig along your path if you want to supply your car from the trench instead of your gas tank.