CNBC | Is A Global Oil Deficit Looming? OilPrice.com The world is heading towards an oil deficit, if we are to believe recent headlines quoting the chief executive of Saudi Aramco, Amin Nasser. There is simply not enough investment in new production to replace depleted fields, the message ran. Shale oil ... Electricity investment overtakes oil and gas for the first time ever, IEA says US shale oil investment surges more than 50% in 2017, IEA says Why the electric car boom won't spell end of oil |