Record Asian oil demand is spurring the region’s refineries to charter the most supertankers in a year, driving shipping rates to the highest level since 2010. Traders hired enough carriers in the spot market from owners including Frontline Ltd. (FRO) and Mitsui O.S.K. Lines Ltd. to load 35.9 million metric tons in the four weeks ended Nov. 24, according to data compiled by Bloomberg from broker reports. The shipments, the largest this year, expanded 53 percent since the end of August, during which time a glut of shipping capacity in the Persian Gulf shrank by about the same amount. Asian economies are growing about three times faster than the global average, spurring the International Energy Agency , an adviser to 28 nations, to predict the region’s oil demand will rise to a record this quarter. Earnings from the tankers jumped to $50,801 a day on Nov. 22, a 34-fold […]