

itoggle caption Emily Harris/ NPR


itoggle caption Marty Lederhandler/AP

Libyan oil exports have plunged because of strikes at oil terminals on the northeastern coast. Supply has also been disrupted in the country's southern fields. Hussein Malla/AP hide caption

itoggle caption Hussein Malla/AP

Bedouins watch flames rise in July 2011 after masked gunmen blew up a terminal of the Egyptian natural gas pipeline to Israel and Jordan. It was one of many attacks on the pipeline since the popular uprising that ousted longtime Egyptian leader Hosni Mubarak last year. AP hide caption

itoggle caption AP

People gather around a car as it is removed by a mobile crane in Tehran, Iran. The car was being driven by Iranian nuclear scientist Mostafa Ahmadi Roshan when it was targeted by a bomb Wednesday. Roshan was killed in the blast. Meghdad Madadi/AP hide caption

itoggle caption Meghdad Madadi/AP

An oil platform in the Norwegian sea. Marcel Mochet/AFP/Getty Images hide caption

itoggle caption Marcel Mochet/AFP/Getty Images