CNBCGoldman Sachs on oil: US needs to cut, not OPECCNBCNon-OPEC producers need to correct oil glut: Pro. Michele Della Vigna, head of European energy researchat Goldman Sachs, says non-OPEC countries are responsible for the global oil glut and its inevitab …

CNBCOil back below $50 as OPEC hopes fadeCNBCThe oil cartel is not due to meet until June this year but a report by the Financial Times - with comments by Diezani Alison-Madueke, the Nigerian oil minister - suggested that an emergency meeting was due in th …