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7 Urgent Rare‑Earth Export Controls That Threaten Global Auto Supply Chains

China’s new heavy rare‑earth licence regime risks draining magnet stockpiles within months, forcing automakers to scramble for supplies, diversify processing, and rethink tariff strategy.

Photo by Bogomil Mihaylov / Unsplash

Key Takeaways

  • Beijing’s April controls target seven heavy and medium rare‑earth elements essential for high‑temperature performance magnets used in electric vehicles, wind turbines, and defense hardware.
  • Industry estimates show European and Japanese automakers hold just two to three months of finished‑magnet inventory, well below the three‑to‑six‑month buffer now deemed prudent.
  • A 145 % US tariff package triggered China’s move; executives see the restrictions ranking “7 or 8” in severity, signaling escalation beyond mere tit‑for‑tat customs duties.
  • Forced‑majeure notices, licence delays, and opaque pricing already restrict spot supply, compelling traders to withdraw offers and magnifying the risk of sudden production stoppages.
  • Alternative capacity—such as Lynas’s Malaysian expansion—will not deliver dysprosium or terbium until mid‑2025, leaving a strategic gap that national stockpiles alone cannot bridge.
  • Analysts warn Beijing retains a “big threat vector” to curtail lighter rare‑earths like neodymium, amplifying leverage if the broader US‑China tech conflict intensifies.
  • The decisive variable is export‑license processing speed; prolonged approvals would effectively tighten domestic supply while allowing China plausible deniability of outright embargo.
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