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  • The Las Tadeas wind farm in Spain. (Source: Capital Energy.)

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    The Shift Toward Renewable Power in Aluminum Smelting

    By Alton Tabereaux, Contributing Editor. Sixty-eight million tonnes of primary aluminum were produced worldwide in smelters in 2021. According to the Aluminium Stewardship Initiative (ASI), the aluminum sector was directly responsible for 275 million tonnes of CO2 emissions in 2021, a 2% increase over the previous year. If the indirect emissions from electricity are included, the […]

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    MIT Develops New Aluminum-Sulfur Battery Concept

    As the world moves toward more sustainable power systems, such as wind and solar, there is a growing need for economical, large-scale battery backup systems that can provide power when sun and wind are blocked or unavailable. Lithium-ion batteries are the most common type of battery on the market. However, they are currently too expensive for […]