MELBOURNE–(BUSINESS WIRE)–Rio Tinto is supporting iron ore rail car manufacturing in Western Australia with a commitment to use local suppliers to build ore rail cars for its Pilbara mining operations. A tender will soon be released to the local market for an initial purchase of 50 ore rail cars, followed by an ongoing commitment of 10 ore cars a year for the next five years. The tender will be released through the Rio Tinto Buy Local portal, a resource dedicated to making local suppliers awa