India, Aug. 23 -- China released new interim measures on Friday tightening controls on mining and processing of rare earths used in many high-tech products including electric vehicles, smartphones and fighter jets. The rules apply both to rare earths originating in China and those that are sent to China for refining. They require companies to comply with quotas for various minerals. Firms must have government approval to deal with rare earths. Violators will face penalties and have their quota for rare earths reduced. AP...