Rising production of hybrid cars and music players such as Toyota Motor Corp.'s Prius and Apple Inc.'s iPod have driven up demand for rare earths even as China cut the quotas to shore up prices and ensure domestic supplies. The U.S. is looking at building a trade case on the restrictions, industry representatives said last month.
"The rare earths industry officials have realized that, after many years of continued growth in exports, the industry didn't receive due profit returns," Liu Aisheng, director of the Chinese Society of Rare Earth, said in an interview by phone from Beijing. "They adjusted the policy to ensure that the resources are optimally utilized."
Maybe that's why the $3 Trillion in mineral deposits in Afghanistan are so well protected?