U.S. crude loadings for Asia are set for a three-year in April as Asian refiners are accelerating buying of American oil to partially offset the loss of supply from the Middle East, traders with knowledge of recent purchases told Bloomberg on Thursday. About 60 million barrels of American crude grades are set to be loaded for Asia next month, according to Bloomberg’s trade sources, as Asian refiners are scooping up non-Middle Eastern supply from all other regions since the de facto closed Strait of Hormuz has trapped most of the…