West Texas Intermediate crude capped its biggest weekly decline in seven months on concern that demand will fall as refineries slow operations. Brent’s premium over WTI narrowed from a one-month high. Prices dropped for a fifth day as the refinery utilization rate fell last week for the first time in more than a month, according to government data. The rate may slip further because of a fire that shut CVR Refining LP (CVRR) ’s Coffeyville refinery in Kansas and the beginning of seasonal maintenance. Gasoline also slumped. “Weak fundamentals seem to be weighing on the market,” said Gene McGillian , an analyst and broker at Tradition Energy in Stamford , Connecticut . “Refineries are entering into the maintenance season and demand for WTI will drop off.” WTI for September delivery declined 29 cents, or 0.3 percent, to $97.88 a barrel on the New York Mercantile Exchange, the lowest settlement […]