West Texas Intermediate crude fell for a second day, trimming a monthly advance amid speculation demand may slow in the U.S., the world’s biggest oil consumer, as refineries enter the spring turnaround season. Futures decreased as much as 0.5 percent in New York and were set for the first weekly drop in one-and-a-half months. A measure of U.S. fuel use slid to the lowest level since June, data from the Energy Information Administration show. OPEC’s production declined to the least in more than two years as Saudi Arabia curbed output and Libya ’s supply was disrupted, according to a Bloomberg News survey. “Supply is still ample, winter demand is coming off, and refineries will enter maintenance season,” Carsten Fritsch , an analyst at Commerzbank AG in Frankfurt , said by e-mail. “ Oil prices should continue trading marginally lower today and the days ahead.” WTI for April delivery fell […]