Gas prices will go up for the second consecutive week starting Sept. 2. In separate advisories on Monday, Jetti Petroleum, Seaoil, Petron, PetroGazz and Cleanfuel said the prices per liter of diesel will go up by P1, and gasoline and kerosene by both 70 centavos. READ: Petron reels from weaker oil prices, Mid-East conflict Industry sources […]... Keep on reading: Prices of oil products up for second straight week