MELBOURNE, Australia–(BUSINESS WIRE)–Rio Tinto will invest $1.9 billion1 to develop the Kangwinan bauxite project on Western Cape York Peninsula in Queensland, underpinning the long-term future of its Weipa Operations and continued supply to its international customers and its Australian alumina refineries. Kangwinan highlights Rio Tinto’s continued commitment to mining in Australia and will sustain its position as one of the world’s leading high-quality bauxite producers. This brownfield inv