(UPDATE) OIL companies again raised their pump prices on Tuesday, August 22.Pilipinas Shell Petroleum, Chevron Philippines Inc., and Seaoil Philippines Corp. increased the price of gasoline by P1.10 per liter, diesel by P0.20 per liter and kerosene by P0.70 per liter.Cleanfuel also implemented the same price adjustments except for kerosene which it does not carry.