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Big magnets and big money are at the core of a high stakes race to commercialize fusion energy, aiming ultimately to transform the world’s energy supply with the immense power of zero-carbon fusion. This article highlights the progress of two pioneering companies located only a two-hour drive apart — General Fusion in Richmond, British Columbia, Canada and Helion in Everett, Washington in the U.S. The technologies of both companies rely on powerful electromagnets, eschewing the use of more expensive and complex superconducting magnets typically used in tokamaks. […]