How much worse can gasoline prices get? It's the question that's always shifting for GasBuddy's Patrick De Haan, and as of Monday, he believes a shift in tone from President Trump will bring prices down. Refining capacity is the sticking point Patrick believes will serve as a lasting headwind for those seeking a cooldown in crude's price action. Rob Thummel adds that record-high diesel will have lasting effects across the U.S. economy.