Brent crude led energy prices from gasoline to heating oil lower as the grade headed for its biggest loss in three weeks, after Iran and world powers reached an interim accord on the country’s nuclear program that will ease economic sanctions while keeping a cap on oil sales. Futures slid as much as 2.7 percent in London, declining for the first time in four days, while West Texas Intermediate fell 1.6 percent in New York. Iran’s oil exports will be held to about 1 million barrels a day under sanctions that remain in force after the deal announced yesterday in Geneva, according to the White House. Gasoline and heating oil futures both slid at least 2.3 percent on the New York Mercantile Exchange. “We’re seeing both sides come one step closer to each other,” said Andy Sommer, a senior oil analyst at Axpo Trading AG in Dietikon, Switzerland. “The […]