 which showed an unexpected jump in crude and gasoline inventories, with U.S. crude supplies up 3.36 million barrels in the latest reporting week. Gasoline inventories jumped by 2.7 million barrels. Perhaps even more importantly, the numbers used to gauge gasoline demand fell almost 9 million barrels a day from a week earlier, and overall gasoline demand in the U.S. since the start of the summer driving season has been very low for this time of year.