As Iran prepared to return to the global crude market, ship insurance, an obscure but vital part of the commodity trading world, was seen as an impediment to ramping up exports quickly. Those concerns appear to be easing with the help of a U.S. company. Two oil tankers able to load a million barrels each of crude appeared to load Iranian cargoes this month and head for Constantza in Romania, according to data compiled by Bloomberg. Joe Hughes, chairman of the New York-based American Club, an insurer to the global shipping industry, said in an e-mailed statement Wednesday that the two vessels are “entered in the club at present”, meaning they are normally insured by his organization. The ships are among the first to go to Europe since sanctions eased last month. Provision of insurance was seen as an initial sticking point for a revival of Iranian oil sales […]