U.S. gasoline prices notch first slide since Harvey, oil falls

By Libby GeorgeNEW YORK (Reuters) - Benchmark U.S. gasoline prices slid for the first day since Hurricane Harvey struck the U.S. oil industry heartland, as some refineries restarted operations, but oil prices slid further.Closure of roughly a quarter of the U.S. refining industry sparked fears of fuel shortages before the Labor Day weekend and cast doubts on refinery demand for crude.This widened the crack spread, the difference between the prices of U.S. gasolineand crude oil .