Yonhap 10/28/2007 GS Caltex Co., South Korea’s second-biggest oil refiner, said Sunday it is set to supply 21,000 tons of heavy oil to North Korea as part of a nuclear disarmament agreement. The oil shipment will be sent later Sunday via the port of Yeosu, a port city about 455 kilometers south of Seoul, to … Continue reading GS Caltex to supply heavy oil to N. Korea