There will be a slight increase in the cost of gasoline this week, oil firms said Monday.

Shell and Seaoil said that gasoline prices will increase by P0.10 per liter. The cost of diesel will go down by P0.10 per liter.

Kerosene prices will remain the same.

Oil companies will adjust their pump prices on Tuesday, March 19.

Last week, oil firms lowered the prices of gasoline, diesel, and kerosene by P0.50, P0.25 and P0.30 per liter, respectively.