Members of the militant transport group PISTON hold a rally and noise barrage in Pasay City to denounce the similarly unceasing oil price hikes, the latest of which came on Tuesday, at P1.65 per liter for gasoline, P2.75 for diesel, and P2.50 for kerosene, bringing the aggregate increases to P3.45, P5, and P4.30, respectively, for this month alone.