GASOLINE STATIONS, LIKE Flying V and Petron, along Commonwealth Avenue in Quezon City are constantly changing their tag prices displays. This goes with the frequent and new adjustments on pump prices implemented Tuesday, June 24, as early as 6 in the morning. The current price increases, usually done on a Tuesday, per liter are now; gasoline by P1.75, diesel by P2.60, and kerosene by P2.40.