Brussels, 17/03/2011 (Agence Europe) - On Wednesday 16 March, Karel De Gucht called for the G20 group of the world's main economies to reach rapid agreement on transparent trade rules on commodities. The trade commissioner fears that countries supplying essential commodities will decide instead to make bilateral export deals on the open market. Criticising the Chinese export quotas for rare earth, some 35% of the known global supplies of which are located in China (and the country dominates...