Over the past two months, global fuel markets have experienced one of the most volatile periods seen in years, driven largely by disruption around the Strait of Hormuz — the route that normally carries around 20% of global oil flows.

For New Zealand businesses, the important point is this: fuel supply itself has remained secure, but fuel pricing has not.

The challenge for businesses across freight, agriculture, construction, contracting and distribution has been the speed and magnitude of wholesale fuel price movements as international events flow rapidly into local pricing. Earlier in the disruption, wholesale diesel costs surged across Asia-Pacific markets as refiners, governments and traders competed aggressively for available supply. Prices reached extreme levels as supply chains fragmented and uncertainty grew around whether normal Middle Eastern shipping flows could continue functioning. Since then, the global energy system has adapted remarkably quickly.

Refiners across Asia, India and the United States have increased production to capture unusually strong refining margins. Alternative supply has been drawn from regions including West Africa, Latin America and Russia, while shipping operators have rerouted cargoes and adjusted trade flows to keep fuel moving into Asia-Pacific markets.

That adjustment is now flowing directly into lower diesel pricing. Wholesale diesel markets across Asia have eased materially from their peak levels as additional supply reaches the market and some of the immediate panic around shortages subsides. At the same time, there are increasing signs that fuel pricing is beginning to respond to the possibility of diplomatic de-escalation between the United States and Iran. Reporting this week suggested discussions may be underway around a temporary framework involving ceasefire arrangements, maritime security measures and a structured negotiation period aimed at reducing tensions in the Gulf. Pricing has responded positively to the possibility of talks, although the physical situation on the ground remains uncertain. Shipping flows through the Middle East are still below normal levels, insurance costs remain elevated, and wholesale fuel pricing continues reacting sharply to political developments. In practical terms, prices may look materially different by the time this article is read compared with when it was written. That uncertainty is now one of the defining features of the fuel market.

Interestingly, diesel and petrol pricing are no longer moving in lockstep. While diesel pricing has eased in recent weeks, gasoline markets have remained comparatively firm. Asian gasoline margins have strengthened again as expected increases in Chinese exports have not fully materialised, while seasonal demand in parts of Asia and the Northern Hemisphere remains supportive. For businesses, this matters because diesel remains heavily tied to freight, logistics and industrial activity, while petrol is increasingly behaving more like a consumer-driven market.

The good news for New Zealand is that fuel security remains strong. Import supply chains continue operating effectively, regional inventories remain healthy, and the domestic system has proven highly resilient under stress. However, the past two months have reinforced how quickly international events can flow through into local operating costs. The market is still functioning with longer supply chains, elevated freight costs and reduced spare capacity in parts of the global refining system. That means even relatively small geopolitical developments can still create outsized price movements.

For many businesses, the issue is no longer simply the fuel price itself, but the difficulty of budgeting and pricing work when costs can move sharply week to week. In many respects, fuel pricing is now trading expectations as much as physical fundamentals. That reinforces the importance of active fuel management rather than simply accepting posted pricing. In an environment where margins remain tight across many sectors, relatively small savings per litre can accumulate quickly across vehicle fleets, machinery and freight operations. Reviewing fuel purchasing arrangements, comparing supplier pricing more regularly and improving visibility over fuel spend are becoming increasingly important operational disciplines rather than occasional exercises. Competition within New Zealand’s retail fuel market remains strong, and businesses and consumers alike should continue looking carefully at available options. Tools such as Gaspy can help identify pricing differences between locations, while solutions such as the Waitomo App, Kora and Waitomo Commercial cards can provide additional savings opportunities and improved visibility around fuel spending.

The global fuel system has shown it can adapt quickly under pressure. But while conditions have improved from the peak of the disruption, uncertainty remains elevated and the situation continues to evolve rapidly. In this environment, businesses that actively manage fuel purchasing and remain responsive to changing conditions are likely to be better positioned than those treating fuel as a passive operating cost.