writes "U.S. Senator Robert Casey Jr. introduced an amendment to the defense bill today, stating: "China controls production of more than 95% percent of the world’s supply of REEs critical in a wide range of industries – from electric cars to smart phone batteries to wind turbines – but has increasingly been reducing the amount available on the world market, sending costs for industries that rely on REEs skyrocketing.
China’s trade practices pose a threat to national security. According to the Department of Defense, difficulty in obtaining cerium, a rare earth metal, has already caused production delays with weapons systems.".
It seems one hurdle is the profit in recycling rare earth materials."Link to Original Source