Oil bosses warn prices will soar within weeks as inventories near 'really, really low levels' Fortune Exxon warns oil inventories will hit dangerously low levels in weeks, forcing prices to shoot higher CNBC Chevron CEO warns oil prices to jump over summer as supplies dwindle Financial Times Exxon chief warns of skyrocketing energy prices as shareholders approved plan to exit blue state Fox Business Exxon Mobil 'approaching unheard-of inventory levels' as Iran war blocks oil trade KOMO