From Thenational.ae: Opec’s oil export revenue is set to tumble more than 50 per cent next year to a five-year low due to the combined effect of sharply lower crude prices and production cuts.

In a new forecast released late last week, the US government projected the group’s net revenue from oil exports would slump to US$444 billion (Dh1.63 trillion) next year, after narrowly failing to break through the trillion-dollar threshold this year….. Full Article: Source