Iran has tripled the rate of loading tankers in recent days as Tehran rushes to get its oil out of the Gulf ahead of potential further escalation of the tensions with the United States, according to vessel-tracking data. Crude oil exports from Iran’s key export hub on the Kharg Island soared to 20.1 million barrels during the period February 15 to 20, according to Kpler data cited by Bloomberg. The rate of loadings at Kharg Island, which handles nearly all of Iran’s oil export volumes, was three times higher between February 15…