Saudi Arabia's Minister of Energy Prince Abdulaziz bin Salman Al-Saud and Russia's Energy Minister Alexander Novak are seen at the beginning of an OPEC and NON-OPEC meeting in Vienna last week. Reuters
Saudi Arabia's Minister of Energy Prince Abdulaziz bin Salman Al-Saud and Russia's Energy Minister Alexander Novak are seen at the beginning of an OPEC and NON-OPEC meeting in Vienna last week. ReuterShow more

Why Saudi Arabia remains the linchpin of Opec