Australian Fuel Trends: Petrol Prices Drop While Diesel Remains High

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Despite recent government interventions aimed at lowering costs, the Australian fuel market is showing a stark divergence: while petrol prices have retreated from record highs, diesel prices continue to climb. This split highlights the complex tension between tax relief and supply chain pressures.

The Petrol Relief: Impact of Excise Cuts

Following a period of record-breaking costs, petrol prices saw a significant downward shift last week. According to the Australian Institute of Petroleum (AIP), the national average price for petrol dropped to 240.1 cents per litre (cpl), down from 253.4 cpl the previous week.

This decline is largely attributed to recent legislative changes:
Federal Excise Cut: Effective April 1, a federal reduction of 26.3 cpl was implemented.
State/Territory Reductions: An additional 5.7 cpl reduction followed on April 2.

In major capital cities, the relief was even more pronounced, with average prices falling by 14.9 cpl to reach 238.3 cpl.

The Diesel Divergence

In contrast to the relief seen at the petrol pump, diesel prices have defied the downward trend. The national average for diesel rose from 310.0 cpl to 312.7 cpl over the same period.

The price hike is being felt most acutely in regional areas:
Metropolitan areas: Prices rose by a modest 1.6 cpl to 310.3 cpl.
Regional areas: Prices jumped by 3.5 cpl, bringing the regional average to 314.6 cpl.

This divergence is critical because diesel is the lifeblood of the logistics and agricultural sectors. While petrol price drops benefit individual commuters, rising diesel costs can exert upward pressure on the price of goods and food due to increased transport expenses.

Supply Chains and Reserves

The market is currently navigating a period of supply volatility. While fuel availability is showing signs of recovery—with the number of service stations reporting shortages dropping from over 800 to fewer than 600 last week—diesel remains a particular pain point.

Federal Energy Minister Chris Bowen noted that approximately 3.4% of service stations nationwide have completely run out of diesel, with significant shortages reported in New South Wales, Victoria, and Queensland.

To address these pressures, the federal government has implemented several measures:
Road User Charge Pause: The heavy vehicle road user charge (32.4 cpl) has been paused for vehicles with a gross vehicle mass (GVM) above 4.5 tonnes until June 30, 2026.
Strategic Reserves: Attorney-General Michelle Rowland confirmed that Australia maintains a buffer of fuel reserves, currently holding 39 days of petrol, 29 days of diesel, and 30 days of jet fuel.

Despite the recent shortages at the pump, the government has clarified that fuel rationing is not currently under consideration.


Summary: While government tax cuts have successfully lowered petrol prices, diesel continues to face upward price pressure and supply constraints, posing a potential challenge for the transport and logistics sectors.