Petrol prices are set to decrease at the pumps for the fourth consecutive week.

PetroJam says the price of 87 and 90 octane gasoline has decreased by $1.94 per litre.

The price of Automotive Diesel has gone up by $2.43 per litre, while it will cost $2.37 less to buy one litre of Ultra Low Sulphur Diesel.

The price of a litre of Kerosene has decreased by a $1.98 per litre.

The price of Butane has gone up by $0.11.