Valero Energy was buying gasoline cargoes for spot delivery in the U.S. East Coast after an outage at its 270,000 barrels per day (bpd) Pembroke refinery in Wales earlier this week, two trade sources said on Thursday. Valero, the largest U.S. independent refiner, typically sells gasoline barrels from their Pembroke refinery into the New York Harbor market, traders said. Exxon Mobil was also buying prompt gasoline barrels in the New York harbor on Thursday, traders said. The purchases come as supplies in the U.S. East Coast have been squeezed amid lower transatlantic imports and fewer barrels being sent via pipeline from the Gulf Coast refining hub. U.S. Midwest prices have also soared, pulling barrels away from the New York harbor. Gasoline prices in the New York Harbor have surged and traded about 6 cents a gallon above benchmark futures for delivery in December on the […]