Gas OilOPEC: Fuel Efficiency to Cut Oil Demand by 8.6mbd in 25 YearsOur Reporter December 22, 2020December 22, 2020 by Our Reporter December 22, 2020December 22, 20200414 The Organisation of Petroleum Exporting Countries (OPEC) has predicted that up to 8.6 million barrels (mb) of daily global oil demand could be wiped out