OIL COMPANIES Petron Corp. and PTT Philippines Corp. announced price rollbacks effective 6:00 a.m. on Tuesday at P1.70 per liter (/L) on gasoline, P1.05/L on diesel, and P1.00/liter on kerosene. Some companies such as Phoenix Petroleum have implemented the rollback last Saturday. The price cuts reflect movements in the international oil market, Petron said. — Janina C. Lim