I blogged on this issue near 40 months ago. In view of the crude oil price crash circa 6th March ~halving prices in US$ plus the unrolling COVID-19 health and economic disaster – I have hardly heard a word that Australian Govts could actually do something to lighten the load for taxpayers when they fill their vehicles tank.
My decade long graphic updated – WA Fuelwatch is the only ready source I can find for useful monthly ULP price data.
The AAA through FuelTrac used to have downloadable xls files – not now.
NRMA has monthly Sydney data but involves time consuming multiple downloads – one day. Full size chart