Manila, March 24 -- After three consecutive weeks of rollbacks, oil firms will increase prices Tuesday.

In separate advisories on Monday, Caltex, Cleanfuel, Petro Gazz, PTT, Seaoil, and Shell said they will hike gasoline prices by PHP1.10 per liter and diesel prices by 40 centavos per liter.

Caltex, Seaoil, and Shell will also implement a 40-centavo increase on kerosene prices.

Other oil firms are expected to follow suit.

With the price adjustment last week, the Department of Energy (DOE) said year-to-date net increase of gasoline and diesel stood at PHP2.15 per liter and PHP2.85 per liter, respectively, while kerosene prices had a net decrease of 70 centavos per liter.

DOE data also showed that current prices of gasoline range betwe...