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Mining Tech / Sustainability


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  • Aerial view of an enormous open pit mine in a high-desert setting.

    Electrifying world's largest copper mine

    Shane Lasley, Metal Tech News|Updated Jul 16, 2024

    BHP applies for $250 million trolley system to lower greenhouse gas emissions, increase haul truck efficiency at Escondida. Toward its goal of net-zero greenhouse gas emissions by 2050, mining giant BHP has applied for the permits needed to install a $250 million electric trolley to help pull ore-laden haul trucks out of the open pit at Escondida, the largest copper-producing mine on Earth. Operated under a joint venture with Rio Tinto (30%) and Japan-based JECO Corp....

  • Closeup of core from drilling the Storeknuten critical minerals deposit.

    Betolar green solutions for Norge Mining

    Shane Lasley, Metal Tech News|Updated Jul 11, 2024

    Norge Mineraler partners with Finnish materials tech company for low-carbon mining and waste management solutions for mine in Norway. Anglo-Norwegian mineral exploration company Norge Mining and Finnish materials technology company Betolar have forged a partnership to explore solutions that increase the sustainability and value of producing critical minerals at the Storeknuten titanium-phosphate-iron-vanadium project in southwestern Norway. Being advanced by Norge Mining's...

  • Showers of sparks arc out of a vat being filled with molten steel.

    Rio Tinto aims to slash steelmaking CO2

    Shane Lasley, Metal Tech News|Updated Jul 11, 2024

    Global mining company is investing $143 million into BioIron, a tech that uses biomass to reduce ironmaking carbon emissions by 95%. From paper clips and surgical scalpels to skyscrapers and cargo ships, steel is a durable and abundant material that forms the framework for modern living. The process of transforming raw iron ore into steel, however, is responsible for around 8% of all global carbon dioxide emissions. Toward the ultimate goal of decarbonizing steelmaking, Rio...

  • Illustration of an electric monorail hauling rocks up a slope at a mine.

    RIINO ore haulage monorail to make debut

    Shane Lasley, Metal Tech News|Updated Jul 8, 2024

    Autonomous, zero-emissions ore haulage system to be showcased at Ontario rock quarry test site. Replacing the diesel haul trucks that currently do the heavy lifting at most mines is the largest hurdle to overcome when it comes to achieving the net-zero emissions goals of mining companies. An electric ore hauling monorail being developed by Canadian mining tech startup RIINO Inc. could provide an efficient zero-emissions solution to the diesel ore haulage dilemma. Having...

  • Rio Tinto logo on a hard hat with two workers in the background.

    Canada ushers in carbon-free aluminum

    A.J. Roan, Metal Tech News|Updated Jul 2, 2024

    Rio Tinto partners with Québec to deploy ELYSIS at Arvida smelter, revolutionizing aluminum production by eliminating GHG emissions. Taking a significant leap in decarbonizing the aluminum industry, Rio Tinto is installing carbon-free smelting cells at its Arvida smelter in Québec. Using the groundbreaking ELYSIS technology, this project is a joint venture with the government of Québec and marks the first commercial deployment of this revolutionary technology. The pr...