PUMP prices of petroleum products will go down by at least P2 on Tuesday, August 9, firms announced Monday, August 8.In its advisory, Shell, Cleanfuel, PetroGazz and Seaoli will implement a P2.10 price rollback on gasoline products and P2.20 on diesel.Shell and Seaoil said the price of kerosene will also decrease by P2.55.The price adjustments of PetroGazz, Shell and Seaoil will take effect at 6 a.m. Tuesday, August 9, and at 8 a.m. for Cleanfuel.As of August 2, the Department of Energy showed that year-to-date adjustments stand at a net increase of P19.65 per liter for gasoline, P32.35 per liter for diesel, and P27.30 per liter for kerosene. (SunStar Philippines)