Driving Australia's
Wealth Home

The petrol pump is one of the most economically consequential pieces of infrastructure in the Australian retail landscape — not because of what it gives, but because of where the money goes once it leaves the consumer's hand.

At around $2.20 per litre — the national average petrol price as of late March 2026, elevated by the Middle East supply disruption — every dollar spent at the bowser divides into three broad categories: the international product cost that leaves Australia immediately, the government tax take, and the thin domestic residual that actually circulates in the local economy.

By contrast, every cent of electricity spending stays in Australia. The supply chain for electricity — from generation assets to transmission infrastructure to retail billing — is entirely domestically owned and operated. The fuel inputs, whether coal, gas, wind, or solar, are Australian-sourced. There is no Singapore benchmark, no tanker freight, no offshore refining margin.

The fuel excise structure contains an embedded peculiarity: the GST is applied to the full retail price of petrol — which includes the fuel excise itself. At $2.20/L, approximately $0.75 per litre flows to government — federal and state — before any private economic value is created. The household bears this burden in full, with no credit mechanism, no deductibility, and no offset.

The $5,846 annual household fuel cost is not experienced equally. As a flat dollar cost — largely unresponsive to income — it represents a far heavier proportional burden on lower-income households.

A 0.25 percentage point reduction in the cash rate delivers approximately $80 per month in repayment relief to a household with a $500,000 variable rate mortgage, or approximately $960–$1,200 per year. These figures are worth holding in mind alongside the household EV saving.

Petrol spending has one of the lowest domestic multipliers of any consumer expenditure category, precisely because approximately 50% of every dollar spent leaves the country immediately. The effective multiplier on private economic activity from petrol spending is approximately 0.3–0.4x — meaning each dollar spent generates only 30–40 cents of further domestic private economic activity.

Electricity spending, with close to 100% domestic content, carries a multiplier of approximately 0.9–1.1x. The freed household savings carry the standard household consumption multiplier of approximately 1.0–1.1x when redirected to other spending.

A fully electrified passenger fleet would add approximately 33.9 billion kWh of electricity demand annually. At $0.34/kWh average retail, this represents approximately $11.5 billion in additional annual electricity sector revenue — all of it domestic, all of it circulating through Australian wages, Australian infrastructure investment, and Australian government revenue.

The full economic consequence of a complete transition from ICE to EV transport cannot be captured in any single metric. The following table attempts a consolidated view of the annual national welfare benefit that would accrue from a complete passenger fleet transition, at current prices and policy settings.

Every year in which a new ICE vehicle is sold locks in approximately 15–17 years of imported fuel consumption. A car sold today at $38,000 will, over its operating life, consume approximately $54,000 worth of petrol — of which approximately $27,000 will leave Australia offshore. The equivalent EV will consume approximately $11,500 in electricity — all of it domestic.

The FTCS creates an economic dynamic that is the direct inverse of the household EV saving. Where the EV household captures 91 cents of domestic value per dollar spent on energy, the FTCS-subsidised mining operation has the government absorbing the full fuel excise cost on imported diesel — effectively subsidising the very import dependency that damages the national balance of trade.

Research by Climate Energy Finance found that between 2018 and 2024, mining diesel consumption grew 23% while total extraction volume grew only 16% — suggesting the subsidy is actively suppressing the efficiency and electrification investment that would reduce consumption.

The economic divergence between ICE and EV transport is not static. It compounds. Every year that the passenger fleet remains predominantly ICE-powered, another year's worth of petroleum import outflow — $19–21 billion from passenger vehicles alone — leaves the national economy permanently. It does not accumulate as a debt to be repaid. It is simply gone.

Australia has effectively no domestic supply of refined petroleum products to insulate it from global price movements. It holds 30–37 days of fuel stocks, the lowest of any IEA member nation. Its refining capacity covers 17% of demand. In any scenario of sustained Middle East conflict, OPEC supply restriction, AUD depreciation, or global demand growth — the pump price rises, and Australia absorbs the full impact. There is no domestic buffer, no strategic reserve of consequence, and no domestic production to fall back on.

This paper has traced the divergent economic consequences of ICE and electric vehicle transport across six dimensions of the Australian economy: the anatomy of the fuel dollar, household budgets and incomes, monetary policy transmission, the national balance of trade, domestic economic circulation, and industrial energy subsidies.

At every level of analysis, the divergence runs in the same direction. These are not arguments drawn from contested modelling or speculative projections. They follow directly from the published price decompositions of Australia's fuel market regulator, the ABS vehicle use surveys, the RBA's own rate decisions, the balance of payments accounts, and the federal budget papers.

The economic consequences of ICE and electric vehicle transport in Australia are not symmetrical. They do not represent two reasonable choices with comparable national outcomes. They represent a profound and structurally entrenched asymmetry in which one technology exports Australian household wealth and the other retains it; one technology imposes cascading costs on the broader economy and the other generates cascading benefits; one technology makes Australia more vulnerable to forces beyond its control and the other reduces that vulnerability.

Australia has an opportunity that few comparable economies possess: a vehicle fleet approaching natural renewal age, a domestic electricity grid that is rapidly decarbonising, a growing range of affordable EV options, and an economic case for transition that does not require environmental conviction to accept — only the willingness to follow the numbers.