The price of oil will rise to $70 (£32.3) per barrel by 2020. That’s according to a new report from OPEC which also predicts oil will reach $95 (£62.7) per barrel in 2040. Prices have fallen from more than $110 (£72.6) a barrel in summer 2014 to less than $37 (£24.4) at the end of this year […]