Photos: Rio Tinto's $371m driverless train Summary: With plans to double its annual iron production capacity in the coming years and a shortage of train drivers ahead, Rio Tinto has decided to invest AU$371 million in unmanned trains. By Suzanne Tindal | June 16, 2008 -- 06:26 GMT (23:26 PDT) Follow @engochick Previous | Next Image 1 of 4 The first train to travel along the Lang Hancock Railway to Rio Tinto's newest mine, Hope Downs, approaches the train load-out. Credit: Rio Tinto Topics: Emerging Tech, Tech Industry Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.