According to the latest data from the Central Energy Fund, petrol and diesel prices currently look set for large increases on Wednesday next week – but not as big as previously expected. Based on the current data, 95 octane petrol is set to increase by R1.84/litre, 93 octane is expected to climb by R1.76/l, diesel by between R2.98/l and R3.14/l and illuminating paraffin by R2.51/l.