World-first: a renewable transition at Rio’s U.S. Borax

Rio Tinto confirmed in early June that its U.S. Borax operation in Boron, California became the world’s first open-pit mine to complete a full transition of its heavy machinery from fossil fuel to renewable diesel. To put the scope of the milestone in perspective, the global miner said the change brings an anticipated CO2 equivalent reduction of up to 45,000…

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Rio Tinto testing renewable diesel at U.S. ops

Another decarbonization step is being taken, this time by Rio Tinto at its United States operations: the operator is planning to swap out its conventional diesel fuel for renewable fuel across its haul truck fleet. The miner has already wrapped up a trial of renewable diesel at its U.S. Borax mine in Boron, Calif., and is conducting a second trial…

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