The American Petroleum Institute (API) estimated that crude oil inventories in the United States rose by 4.593 million barrels for the week ending March 14. So far this year, crude oil inventories have climbed more than 21 million barrels, according to Oilprice calculations of API data. Gasoline inventories fell in the week ending March 14, by 1.708 million barrels, after falling by 4.560 million barrels in the week prior.