Rio Tinto is planning to double its fleet of driverless haul trucks and to deploy them at the Pilbara's largest mine site, Yandicoogina, after a two-year trial performed "well above expectations".

Rio Tinto is planning to double its fleet of driverless haul trucks and to deploy them at the Pilbara's largest mine site, Yandicoogina, after a two-year trial performed "well above expectations".