Article is behind a paywall and says all the same stuff, but Mark was quoted:
China has clamped down before, including in a 2010 dispute with Japan, during which it curbed rare-earths exports. Japan had to find alternative suppliers, and by 2018, China accounted for only 58% of its rare earth imports. "China has had a rare-earth card to play whenever they wanted to," said Mark Smith, CEO of mining company NioCorp, which is developing a rare-earth project in Nebraska scheduled to start production within three years. Across the industry, automakers have been trying to wean off China for rare-earth magnets, or even develop magnets that do not need those elements. But most efforts are years away from the scale needed.
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