MANILA, Philippines - Oil companies are set to raise fuel prices on Tuesday, Sept. 2. Shell, Seaoil, Caltex, Cleanfuel, and Petrogazz said that gasoline prices will go up by P0.70 per liter, and diesel prices by  P1.00 per liter. The cost of kerosene will increase by P0.70 per liter. Last week, oil companies raised the prices of gasoline by P0.70 per liter, diesel by P0.50 per liter, and kerosene by P0.30 per liter.