Global energy needs 'to grow 50%'

Oil prices fall on economy fears
Oil prices fall on more bad economic news and after Opec hinted it would not cut oil production soon.

Iran pushes for further oil cut
Iran is to urge Opec to agree another cut in production to boost the price of oil, a top Iranian oil official says.

Opec head urges production cuts
Opec countries must implement agreed production cuts if they want stable oil prices, warns the cartel's president.

Opec to discuss oil output cuts
The oil producers' cartel Opec meets in Vienna to discuss possible production cuts as it tries to shore up falling prices.

Gas exporters' group to be formed
Russia, Iran and Qatar agree to set up a "technical committee" as a prelude to creating a gas equivalent to Opec.