The freight car transportation method without no-load running features that the freight car is designed as one freight car pair including one mother freight car and one son freight car, and that during transporting freight, the mother freight car and the son freight car transports separately and during kickback, the son freight car is transported back by the mother freight car. The present invention can reduce the no-load rate of freight car, and result in reduced traffic volume, saving in fuel, environment friendship, and low transportation cost. |