Fleets of autonomous trucks and trains are used to transport ore from the quarry to the port, increasing the efficiency of material movements and greater productivity. Rio Tinto's corporate transportation is by sea and decisions are based on rigorous analysis focused on adding long-term value. Cargoes from the Group's operations, amounting to almost 250 million tonnes per year, contribute to 10% of global dry bulk trade. There is close collaboration between the successful merchandise management and sales functions of Rio Tinto's various business units around the world (RioTinto