Kuwaiti Minister of Finance and Minister of Oil Anas al-Saleh arrives for the organization of Petroleum Exporting Countries (OPEC) meeting in the Qatari capital Doha, on Sunday. The group tried, and failed, to come to an agreement to freeze oil production to January levels. Karim Jaafar/AFP/Getty Images hide caption
Gasoline prices are displayed at a filling station in Philadelphia. Matt Rourke/AP hide caption
Prices, as seen at a gas station in Woodbridge, Va., on Tuesday, are 21 cents a gallon cheaper than this time last year. The drop violates the historic rule that tension such as that currently between key producers Saudi Arabia and Iran causes the cost of a barrel of oil to rise. Saul Loeb/AFP/Getty Images hide caption