What export controls are
Export controls are government rules that restrict which goods can leave a country, and to whom. They can take the form of outright bans, licensing requirements (where each shipment needs official approval), or quotas. Governments use them for economic and national-security reasons.
When applied to a material that only a few countries can supply, export controls are powerful: they let the controlling country influence access to that material worldwide, not just within its own borders.
Why rare earths are so exposed
Rare earths are unusually vulnerable to export controls because their processing is so concentrated. While the raw ore is mined in several countries, the refining that turns it into usable magnet material is dominated by a single country, with China's share of global processing widely cited at roughly 90%.
That means even ore mined elsewhere often has to be shipped for processing, and the finished magnet materials pass through the same narrow bottleneck. A restriction at the processing stage therefore reaches almost every downstream industry that needs rare-earth magnets.
The 2025 tightening
From April 2025 onward, tighter export controls on several rare-earth elements and magnet materials began to bite. Rather than a simple ban, the measures added licensing requirements that slowed and complicated shipments of the materials used in high-performance magnets.
For manufacturers, the shift from predictable supply to case-by-case approvals introduced uncertainty into production planning, because a magnet order that once arrived routinely could now be delayed or blocked by an administrative process.
The impact on manufacturers
The effects were quickly visible. Publicly reported consequences included magnet shortages that contributed to a production halt at a North American vehicle assembly plant, and a broad scramble among automakers and suppliers to secure magnet supply or find alternatives.
Surveys through 2025 reflected the anxiety: a large share of manufacturing executives reported actively reshoring or de-risking their supply chains, with rare earths repeatedly named among the most critical materials of concern. Several major automakers and suppliers announced rare-earth-free motor programmes in response.
How companies are responding
Responses fall into a few broad strategies. Some firms are diversifying sources and investing in new mining and processing capacity outside the dominant region — a slow, multi-year effort. Others are stockpiling magnets or magnet materials as a buffer, or investing in recycling to recover rare earths from end-of-life products.
The most fundamental response is to design the dependency out altogether: developing motors and other products that do not require rare-earth magnets, so that export controls simply no longer apply to them.
Designing out the risk
For electric motors, designing out rare earths means using ferrite permanent magnets — made from abundant, globally traded iron oxide that is not subject to the same export controls — and engineering the motor to reach high efficiency despite the weaker magnet.
A rare-earth-free motor is, by definition, immune to rare-earth export controls: there is no restricted material in it to control. The rare-earth supply chain guide covers the background in more depth, and the rare-earth-free motors overview shows how a production-ready design removes the exposure entirely.
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