If beer cans were rectangular rather the tubeular a greater volumne of beer could be shipped in with attached to a tractorstandard tractore trailor trailor , much of my evening was spent arguing with my retarded brother intiullectualizing ove rhtis problem. You don,t want TO PAY FOR ANY SPACE NOT OCCUPIED BY BEER. i SUGGESTED A SQUARE BEEER CAN AND HE WENT APE SHIT, he couldn,t envision a rectangular beer can enginered to fill the total volume of that rectangular trailor. He,ll have to be institutionalized.