According to the statement, the the Old Port Harcourt Refinery that was revamped on Tuesday is currently operating at 70 per cent of its installed capacity. The company said there are with plans to ramp up its capacity to 90 per cent. NNPC Ltd listed product that the refinery is producing daily to include: • Straight-Run Gasoline (Naphtha): Blended into 1.4 million liters of Premium Motor Spirit (PMS or petrol)