Keywords: Freight Ton Miles per Gallon.svg translate yes en Fuel efficiency of various shipping methods Water is the slowest but the most efficient air is the fastest but the least efficient At the same speed though rail is more efficient than water transport Data from https //www fra dot gov/eLib/Details/L02696 and http //transportation mit edu/sites/default/files/documents/MIT_Air_Cargo_Productivity_Report pdf 2015-07-20 own Delphi234 other versions cc-zero Uploaded with UploadWizard Energy efficiency Air cargo Freight rail transport Transport trucks Water transport |