[...] the company said it is confident the autonomous trucks, trains and drill rigs it is testing are creating efficiencies and helping it meet aggressive output targets, The Wall Street Journal reported. Sam Walsh, chief executive of Rio Tinto's iron ore business, said the automation will not mean cut to Rio Tinto's work force, though it will change the nature of some jobs, many of which will be away from mine sites - "giving people greater living and working options and attracting more talent."
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