This data will be updated regularly.The government halved the fuel excise on petrol and diesel for three months, reducing the cost of fuel by 26.3 cents per litre.On Thursday the federal government also reached an agreement with the states and territories to deliver a further cut in the fuel tax by returning their GST windfall to Australians, promising a combined saving of 32 cents per litre.Motoring organisation NRMA has already detailed falls of 15.2 cents per litre from March 31 to April 2, 8am AEST.Average E10 prices are at 229.5 cents per litre.Most states and territories have their own fuel checkers.NSW (includes ACT): The NSW government has its FuelCheck websiteVIC: The Victorian government has a Servo Saver app Victorians can also use the RACV appQLD: Queenslanders can use the RACQ website to compare pricesWA: The WA government has its FuelWatch websiteNT: The NT government has its MyFuel websiteTAS: The Tasmanian government has its FuelCheck websiteSA: South Australians can use the RAA website for real-time pricesSeveral of these government sites also share updates on availability, such as WA's Fuel Watch.Other sites like FuelAware or PetrolSpy share updates on availability.