The Energy Regulation Board (ERB) has adjusted the pump prices of petroleum products upwards by K1.58/litre for petrol K1.22/litre for Kerosene, while the pump price of diesel remains unchanged. Further, the ERB has adjusted upwards the posted airfield price (PAP) of Jet A-1 at Kenneth Kaunda International Airport (KKIA) by K1.45/litre.