Tanker rates are surging after U.S. refiners rushed to book vessels to store fuel as the key fuel pipeline in America shut down in the wake of a cyberattack during the weekend. With the main pipeline carrying gasoline and diesel to the U.S. East Coast down, the largest American refiners are scrambling to book vessels for floating storage of fuel, shipbrokers told Bloomberg. The refiners on the Gulf Coast look to store the fuel that is going nowhere as the Colonial pipeline would be shut down until at least later this week. Refiners are also booking…