Portfolio — 30 March 2026
30 March was the Treasurer's most active single day on fuel security since the Middle East conflict began disrupting global oil supply chains. The Treasurer announced a temporary halving of the fuel excise on petrol and diesel from 1 April to 30 June, reducing costs by 26.3 cents per litre — nearly $19 per 65-litre tank — and zeroing the Heavy Vehicle Road User Charge for the same three months, with the next scheduled charge increase deferred by a further six months [TA-260330-infras-15baf1ffbeed:m37998].
The excise cut, consistently resisted in broadcast interviews in the days prior, marks a deliberate pivot: the Treasurer framed that resistance as a product of contingency review rather than fixed opposition, signalling that the Middle East war's persistence across global oil markets ultimately triggered the policy shift [TA-260330-treasu-3e6a21ce9c6b].
Beyond the excise, the package already in place is substantial. The government has doubled penalties for petrol price gouging, appointed a national Fuel Supply Taskforce Coordinator, released 20 per cent of Australia's petrol and diesel reserves with a regional focus, modified fuel and diesel standards to increase supply, empowered the ACCC to issue on-the-spot fines, and introduced legislation to underwrite private-sector fuel purchases [TA-260330-infras-15baf1ffbeed:m37998].
National Cabinet agreed today to release a National Fuel Security Plan and pursue coordinated federal-state approaches, explicitly rejecting heavier-handed COVID-style measures such as fuel rationing or mandatory work-from-home requirements.
In the House, the Treasurer introduced two appropriation bills to back this response financially. Bill No. 1 seeks $800 million and Bill No. 2 seeks $1.2 billion — together a $2 billion advance to the Finance Minister — establishing a three-month safety net for urgent, unforeseen fuel security expenditure across six designated departments until the end of the financial year [TA-260330-house-326949c748de:s032].
The concurrent operational measures the Treasurer placed on the record included releasing hundreds of millions of litres from minimum stock obligations, temporarily reducing sulphur content standards, supporting domestic refineries, underwriting fuel imports, and coordinating with international partners on supply chain stabilisation [TA-260330-house-326949c748de:s032].
Bill No. 2 was moved immediately after, with debate adjourned to a later hour [TA-260330-house-326949c748de:s033].
During Question Time, the Treasurer used the ACCC enforcement dimension to draw a direct contrast with the Opposition. He noted that the government's plan includes relief for heavy-vehicle operators — at 34 cents per litre — whereas the Opposition's written proposal to the Prime Minister had omitted that cost entirely, understating the price tag by approximately $1 billion [TA-260330-house-326949c748de:s230].
He confirmed he had signed correspondence directing the ACCC to ensure fuel suppliers pass on the benefit of the excise reduction to motorists and truckies, with maximum penalties now at $100 million and on-the-spot fines available [TA-260330-house-326949c748de:s232]. The Treasurer also confirmed that any further tax or housing changes — touching housing supply, five-per-cent deposit schemes, and superannuation concession redistribution away from high-balance accounts — would be considered in cabinet ahead of the May budget [TA-260330-house-326949c748de:s240].
The through-line across all three source streams today is consistent: the Treasurer treats the fuel crisis as a supply-and-distribution emergency driven by an external shock, not a domestic structural failure, and rejects demand-management or compulsory interventions in favour of a layered voluntary-compliance and cooperative-federalism approach. The $2 billion appropriation and the excise cut extend the cost-of-living relief strategy signalled in the March budget framing, with the Treasurer explicitly noting that further steps are being calibrated for ongoing uncertainty.
The ACCC enforcement upgrade and the heavy-vehicle contrast with the Opposition are the sharpest political edges in today's record.
The official records this note draws on — the raw primary documents themselves, as published.