Steam rises as water is poured over hot steel at Algoma's Direct Strip Production Complex in Sault Ste. Marie, Ont. The steel producer considers its new electric arc furnace a major achievement. Share Save for later Please log in to bookmark this story. Log In Create Free Account

Like some superhero channelling the power of lightning, Algoma Steel Inc. ASTL-T has started using the heat cast off by the arcs of powerful electric currents to make greener steel.

Electric arc furnaces are nothing new – the technology is more than a century old, and there’s already a few in Canada – but Algoma is calling the achievement of production from its first-of-the=kind furnace last month a win as it faces an existential threat from U.S. tariffs .

“We have reached a truly piv

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