Date Time FuelWatch advises Perth drivers to top up to avoid petrol price rise 11 May The average price of regular unleaded petrol (ULP) is set to increase by over 31 cents per litre (cpl) to 158.8 cpl tomorrow, so FuelWatch is encouraging Perth drivers, if they can, to fill up today to save money. FuelWatch advises that on Wednesday 12 May 2021, most branded retailers are hiking their ULP price: Coles Express hiking by 43 cpl to 171.9 cpl; 7-Eleven, BP, Caltex/Ampol and Caltex Woolworths to 169.9 cpl; Puma to 169.7 cpl; and Vibe to 159.9 cpl. Perth’s weekly petrol price cycle results in pr...