Gasoline stocks building on both sides of the Atlantic could undercut a sustained recovery in oil prices, as crude’s 30 percent rise in the last month is partly based on hopes that drivers will gobble up most global inventories of the fuel. Strong margins on gasoline have helped European refiners such as BP, Shell and Total weather an 18-month slide in oil prices and they expect gasoline demand, mostly in the United States and China, to boost profits this year too. But gasoline’s profitability could come in well under expectations if demand fails to keep up with rising supply. Oil this week hit a 2016 high above $40 a barrel, lifted in part by the prospect of refineries sucking up crude to feed summer driving demand for […]