Opec

US oil prices turn negative as demand dries up

US backs Opec deal with cuts to boost oil price

Record deal to cut oil output ends price war

Trump promises 'help' to clinch oil cut deal

Oil jittery as Saudi Arabia-Russia talks delayed

Oil price collapses to lowest level for 18 years

Markets start to bounce back after steep losses

Oil plunges in Asia as producers start price war

Oil plunges 10% after Opec deal collapses

Oil producers propose output cuts to support price

Coronavirus and oil: Why crude has been hit hard

What will happen to oil if there is another war?

Oil prices soar after attacks on Saudi facilities

Could Iran tensions push up petrol prices?

Oil prices rise on planned Opec cuts

Who really influences the price of oil?

Will Opec defy Trump's call for low oil prices?

Qatar to leave Opec oil producers' group

Oil price drops amid fears over demand

Saudi Arabia to limit oil production. World Business Report. Audio, 00:03:07Saudi Arabia to limit oil production

Oil price hits four-year high of $81

Trump urges Saudis to raise oil output

The global tussle over oil prices. World Business Report. Audio, 00:03:50The global tussle over oil prices