Raw materials such as cobalt and lithium have seen availability drop and prices rise—export restrictions may be playing a role ... Rising export restrictions on lithium, cobalt and other raw materials critical to the energy transition threaten to slow the move to a greener economy, according to the Organization for Economic Cooperation and Development. In a new report, the OECD said that over the last decade, export restrictions on critical minerals—usually in the form of taxes—have increased more than fivefold. From January 2009 to December 2020, the total number of export controls on industrial raw materials surged to 18,263 from...