The recent surge in fuel prices in the United States, reaching their highest levels in almost four years, stands in stark contrast to the stabilization of costs in Australia. This divergence is primarily attributed to the US's status as a leading global oil producer and major fuel refiner, enabling it to withstand the initial price shock for a longer duration compared to other nations. In contrast, Australia's heavy reliance on imported fuel has made it more susceptible to price fluctuations, particularly during the US-Israeli conflict with Iran, which disrupted oil exports through the Strait of Hormuz.
The average price for 95 octane unleaded petrol in the US has surged by over 40% since February, reaching nearly 117 US cents a litre. This dramatic increase is largely due to the conflict's impact on oil prices, with benchmark prices soaring in late February. In Australia, while petrol prices have almost returned to pre-conflict levels, they remain influenced by the federal government's decision to halve the fuel excise, reducing the cost of petrol and diesel by 26.3 cents a litre for three months. Despite this, diesel prices have not decreased as significantly, currently sitting at 260 cents a litre.
The divergence in fuel price trends between the US and Australia can be attributed to several factors. Firstly, the US's status as a leading oil producer and refiner provided a buffer against the initial price shock. In contrast, Australia's heavy reliance on imported fuel made it more vulnerable to price fluctuations, with prices tied to Singapore, Malaysia, and Asian markets. University of Sydney supply chain expert Ben Fahimnia highlights the cyclical nature of Australian petrol prices, with sharp peaks followed by a slow discounting phase, influenced by local competitive dynamics.
Economist Peter Robertson underscores the role of the US's oil production and refining capabilities in shielding it from the initial price shock. He notes that the US's reliance on oil imports was not as significant as in Australia, where prices were closely tied to Asian markets. Lurion De Mello from Macquarie University's Transforming Energy Markets Centre adds that the US's storage capacity has also played a role in preventing fuel prices from spiking, although this is beginning to change as supply tightens.
The impact of the US-Israeli conflict on fuel prices is expected to persist. Retail fuel prices in Australia are linked to refined product benchmarks, with a lag of seven to 14 days before international prices are reflected locally. This lag means that current retail prices may still reflect earlier, lower input costs, with upward pressure only materializing in subsequent weeks. Dr. De Mello predicts that prices are likely to increase in June, partly due to the expiration of the fuel excise cut and the continued closure of the Strait of Hormuz, which has removed almost 2 billion barrels of oil from the market.
The conflict has already had a significant impact on inflation in Australia, with the annual inflation rate rising by almost a percentage point to 4.6% in March, largely driven by automotive fuel prices, which rose by over 30%. This highlights the broader economic implications of the conflict, as fuel prices continue to fluctuate, affecting consumers and businesses alike. The diverging fuel price trends between the US and Australia underscore the complex interplay between global oil markets, geopolitical tensions, and local economic conditions, with significant implications for consumers and policymakers alike.