Opec secretary general Haitham Al Ghais at the Middle East Petroleum and Gas Conference in Dubai. Antonie Robertson / The National
Opec secretary general Haitham Al Ghais at the Middle East Petroleum and Gas Conference in Dubai. Antonie Robertson / The National
Underinvestment in oil and gas sector could cause market volatility, says Opec chief
Hydrocarbons will remain an integral part of energy mix for the foreseeable future, says Haitham Al Ghais
