Charles Evans Hughes, Northern Pacific Railway Company v…
“ We have, then, to apply these familiar principles to a case where the state has attempted to fix a rate for the transportation of a commodity under which, taking the results of the business to which the rate is applied, the carrier is compelled to transport the commodity for less than cost, or without substantial compensation in addition to cost. We say this, for we entertain no doubt that, in determining the cost of the transportation of a particular commodity, all the outlays which pertain to it must be considered. ”
