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Efforts by governments around the world to cut noxious emissions produced by fossil fuel-powered cars is driving demand for electric vehicles and the metals used to make them, such as lithium and cobalt which are key ingredients for batteries.
Now the spotlight is on neodymium. Several auto makers already use permanent magnet motors that rely on the metal because they are generally lighter, stronger and more efficient than induction motors that are based on copper coils.
But it is the switch to neodymium by Tesla, an auto maker that has staked its future solely on the electric vehicle, that is showing the way the industry is moving and the direction of demand for the rare earth metal.
Research group imarc estimates the market for the neodymium-iron-boron magnet used in the motors is now worth more than $11.3bn, with demand for the magnets rising at a compound annual growth rate of 8.5 percent between 2010 and 2017.
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