ELECTRIC VEHICLES

Tesla Built a Motor Without Rare Earths. The Market Barely Flinched.

Three years ago, at Tesla's 2023 Investor Day, the company made a promise. It would build a permanent magnet motor that used zero rare earth elements. No neodymium. No dysprosium. No terbium. The crowd nodded. Engineers inside the company got to work. And then, for three years, nothing public happened.

Last week in Austin, Tesla showed the result. The Cybercab — the company's two-seat robotaxi — rolled out with a new drive unit that Elon Musk says contains no rare earth metals at all. He posted on X that the motor "maintains the same range" and called it "very hard to achieve." The numbers back up part of that claim. The motor is 18% smaller and 25% lighter than competing electric vehicle drive units. It can be built in under ten seconds on a fully robotic line.

That sounds like a big deal for rare earth demand. Neodymium-iron-boron magnets are in almost every EV motor on the road. They're the reason rare earth prices have tripled since 2020. If the world's largest EV maker can ditch them, what happens to the market?

Not much. At least not yet. Tesla hasn't said what it uses instead. Analysts point to ferrite or aluminum-nickel-cobalt magnets, both of which have real trade-offs. Ferrite magnets are weaker and bulkier. AlNiCo demagnetizes easily under load. And only about 45 Cybercabs are registered in Texas right now. Mass output has not been proven. Making one motor work in a small cab is not the same as pulling neodymium out of three million cars a year.

Which is why rare earth prices didn't move. Neodymium still sits at $245 a kilogram outside China, up 64% this year. Dysprosium is above $930. The market looked at Tesla's motor and shrugged — because demand is not just EVs. It's wind turbines, guided missiles, fighter jets, MRI machines, and every robot arm in every factory. Tesla might chip away at one slice of that pie. The rest keeps growing.

There's a deeper reason for the calm. The Pentagon can't do what Tesla did. Defense magnets need to survive extreme heat, shock, and radiation. Samarium-cobalt and NdFeB magnets are the only options that work in a missile guidance system or a jet engine. And starting January 1, the military is banned from buying those magnets if any step in the chain — from mine to finished part — touches China. Tesla solved an engineering problem. The defense industry still has a supply chain problem. Two very different things.

So what does it all mean? Tesla proved it can be done at small scale. The question is whether the rest of the auto industry follows — and how long it takes. BMW, Renault, and several Chinese EV makers are working on rare-earth-free motors too. If this shift picks up speed, it would cut into the biggest single source of rare earth demand. But "if" and "when" are doing a lot of heavy lifting in that sentence. For now, the world still runs on neodymium.

 
Neodymium
$244.90/kg
▲ +64.03% YTD
 
Praseodymium
$245.40/kg
▲ +70.30% YTD
 
Dysprosium
$930.70/kg
▲ +105.05% YTD
 
Terbium
$4,028.50/kg
▲ +103.11% YTD
Source: Strategic Metals Invest · Ex-China retail reference
 
La
 
Ce
 
Pr
 
Nd
 
Sm
 
Eu
 
Gd
 
Tb
 
Dy
 
Ho
 
Er
 
Yb
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ALSO THIS WEEK

DEFENSE

Pentagon's Magnet Ban Goes End-to-End on January 1

Right now, the Defense Department's sourcing rules for rare earth magnets kick in at the alloy-melting stage. Starting January 1, 2027, the restriction covers every step — from the mine through the finished NdFeB or samarium-cobalt magnet. China, Russia, Iran, and North Korea are all banned. Executive Order 14415, signed in July, makes waivers harder to get by requiring funded backup plans. The problem is timing. Most U.S. and allied mine-to-magnet projects are still building, testing, or waiting for customer sign-off. The compliance deadline arrives before the supply does.

CHINA

Baotou Steel Pushes Rare Earth Chain Into Motor R&D With German Partners

China's state-owned Baotou Steel Group held a China-Germany workshop in Baotou on September 1, focused on rare earth permanent magnet motors. The firm named motor expert Xie Wei as its new chief scientist and said it now spans the full chain from mining to motors. State media said they built a small disc motor meant to replace imported tech. The targets: robots, low-flying drones, and clean energy gear. No new money deal was announced. But the message is clear — Baotou isn't just selling the raw stuff anymore. It's moving into the finished parts that use it.

ANALYSIS

Lifton: The Reprieve Buys Time — But Only If the U.S. Uses It

Jack Lifton published his take on the November 10 deadline this week through InvestorIntel. His argument is simple. If China extends the export control pause, U.S. makers keep their supply lines open and Chinese producers keep their buyers. Everyone wins in the short term. But cheap Chinese supply also wrecks the math for every Western project trying to get built. The U.S. needs to finish refining plants, sign up new magnet makers, and lock in defense deals. If it doesn't, the pause just kicks the same problem down the road. Xi and Trump meet in Washington on September 24 — 47 days before the first deadline. That meeting may set the terms for everything after.

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"China can restrict access to materials. It cannot assume that customers denied those materials will remain customers indefinitely."
— Jack Lifton, Co-Chair, Critical Minerals Institute, InvestorNews, September 6, 2026
62
Sm
Samarium
The Other Magnet Metal

Samarium-cobalt magnets don't get the headlines that neodymium does. They're smaller, weaker per unit, and more expensive. But they do something NdFeB can't — they work in extreme heat. That makes them essential in jet engines, guided missiles, radar systems, and satellite motors where temperatures can hit 300°C.

Samarium metal trades around $9.80 per kilogram on the Shanghai benchmark, and oxide is near $2.50 per kilogram. China produces more than 90% of global supply. When the DFARS magnet ban expands on January 1, samarium-cobalt is covered right alongside NdFeB. For defense, there is no rare-earth-free shortcut.

AROUND THE MARKET

Asia Society Hosted U.S.-China Critical Minerals Panel

Asia Society's Northern California and Seattle chapters held a virtual panel on September 10, looking at China's rare earth grip and what options the U.S. has. The event was timed ahead of the September 24 Xi-Trump summit and the November 10 export control deadline.

Pentagon May Need Half of Non-China Magnet Output by 2030

A Sprott report says U.S. defense demand for rare earth magnets could triple to 10,000 tonnes a year by 2030. Only 20,000 to 25,000 tonnes are made outside China today, in a global market of 250,000 tonnes. "Reliability and source of supply matter more than cost to this buyer," said Sprott's Justin Tolman.

NdPr Oxide Rebounded Late Week on Shanghai Market

China's NdPr oxide market saw a late-week bounce after early weakness, according to SMM's morning meeting summary. Dysprosium oxide kept rising while PrNd stayed flat for most of the week. Metal producers suspended quotes and waited for oxide prices to settle.

CSIS Tells Congress: Durable Trade Policy Is the Missing Piece

CSIS told Congress the U.S. has started building deals and funding for critical mineral supply chains but needs staying power. African producers face a 50% Section 232 tariff on semi-finished copper products — punishing exactly the value-added processing Washington says it wants.

CSIS

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