The price of 93 octane petrol would decrease by 89 cents a litre on Wednesday, the energy department said on Friday.

A litre of 95 octane petrol would cost 85 cents less.

It would be sold at R10,82 a litre in Gauteng and at R10,47 at the coast.

A litre of 93 octane petrol would cost R10,1097 in Gauteng and R9,8627 at the coast.

The price of diesel with a 0.05 sulphur content would drop by 62.58 cents a litre. Diesel with a 0.005 percent sulphur content would go down by 61.58 cents a litre.

The wholesale price of illuminating paraffin would drop by 58 cents a litre.

The single maximum national retail price for illuminating paraffin would decrease by 77 cents a litre to reach R9,71, and the maximum retail price for LP Gas by R1,13 a kilogram to reach R19,12 at the coast and R20,94 in Gauteng.

The slate levy on petrol and diesel would decrease from 10.96 cents a litre to 4.38 cents a litre.

Between June 1 and June 28, the average international prices for petrol, diesel and illuminating paraffin decreased.

However, the average rand/dollar exchange rate weakened when compared to the previous month, at R8,4189 compared to R8, 1031 previously.

The rand's deterioration against the dollar increased the contribution to the basic fuels price on petrol, diesel, and illuminating paraffin by 22.18 cents a litre, 23.72 cents a litre, and 23.38 cents a litre respectively.