PH fuel price update: Diesel up by P2.60/L, gas by P0.70/L effective August 23 Well, let’s brace ourselves: The streak of diesel price rollbacks seems to be coming to an end, just in time for the start of classes. For the week of August 23 to 29, 2022, the price changes are as follows: an increase of P2.60 per liter for diesel, and an increase of P0.70 per liter for gasoline. Kerosene prices are also up by P2.80 per liter.