FILE PHOTO: A fuel truck moves after loading at the main refinery of SK Energy, South Korea’s top refiner, in Ulsan, about 410 km (256 miles) southeast of Seoul, February 25, 2009. REUTERS/Jo Yong-Hak (SOUTH KOREA)/File Photo
FILE PHOTO: A fuel truck moves after loading at the main refinery of SK Energy, South Korea’s top refiner, in Ulsan, about 410 km (256 miles) southeast of Seoul, February 25, 2009. REUTERS/Jo Yong-Hak (SOUTH KOREA)/File Photo