Engines of change: Scientists recover rare earths from electric and hybrid vehicle motors

http://www.sciencedaily.com/releases/2015/09/150930140345.htm

In an effort to help develop a domestic supply of rare earth elements, researchers at Worcester Polytechnic Institute have developed a novel method of chemically separating these materials — specifically neodymium, dysprosium, and praseodymium — from the drive units and motors of discarded electric and hybrid cars. The goal is to recycle rare earths that would otherwise be lost in a sustainable and efficient manner.

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