Mideast Conflict Spurs Europe's Shift to Sustainable Aviation Fuel

A severe geopolitical conflict in the Middle East has blocked the Strait of Hormuz, creating an unprecedented jet fuel supply crisis for Europe and strengthening the strategic case for Sustainable Aviation Fuel (SAF). The blockade has caused benchmark European jet fuel prices to surge to a record $1,838 per tonne, more than doubling from pre-conflict levels and forcing airlines to confront massive cost increases. According to the International Energy Agency (IEA), Europe has only approximately six weeks of jet fuel reserves remaining.

The immediate financial and operational impacts are significant. The IEA reports that Europe depends on the Middle East for approximately 75% of its jet fuel imports, a vulnerability now fully exposed by the blockade of the critical Strait of Hormuz shipping lane. This supply shock has created what IEA Executive Director Fatih Birol termed a "dire strait" for the global economy, warning, "soon we will hear the news that some of the flights from city A to city B might be canceled as a result of lack of jet fuel." The sentiment is echoed by commodities analysts, with James Noel-Beswick of Sparta noting, "The last 24 hours have seen stratospheric moves in global jet pricing. Carriers face both longer routes and tightening global supply."

Airline and Airport Impacts

European airlines are bearing the immediate financial brunt of the crisis. Low-cost carrier EasyJet reported £25 million in additional fuel costs for March 2026 alone, a figure indicative of the broader strain on the industry. U.S. carriers are also exposed, with analysts projecting up to $5.8 billion in combined extra costs if the high prices are sustained through 2026. Airlines are responding by raising airfares and re-evaluating fuel hedging strategies in a market defined by extreme volatility.

For major European hub airports like London Heathrow (LHR), Paris Charles de Gaulle (CDG), and Frankfurt (FRA), the threat is operational. With reserves dwindling, they face the prospect of rationing fuel or turning away flights during the peak summer travel season, a scenario that would cause widespread disruption. In response, the European Commission is reportedly drafting an emergency EU Jet Fuel Supply Plan to map and maximize existing refining capacity.

The Strategic Case for SAF

The crisis has dramatically altered the economics of alternative fuels. While global SAF production remains a small fraction of total demand—reaching 1 million tonnes in 2024, or just 0.3% of global needs according to the International Air Transport Association (IATA)—the price shock makes it a more viable alternative. The high cost and unreliability of conventional jet fuel are accelerating investments and bolstering regulatory frameworks like the ReFuelEU Aviation Mandate. This EU regulation requires fuel suppliers to blend a minimum of 2% SAF at EU airports from 2025, a figure set to rise to 70% by 2050.

While SAF production is projected to double to 2.1 million tonnes in 2025, it will still cover less than 1% of global demand. Leading producers like Neste are ramping up capacity, but the scale-up challenge remains immense. Some analysts from the oil refining sector argue that the immediate focus must remain on rerouting traditional supply chains, as SAF production cannot solve a short-term supply shock. More details on the industry's transition can be found on the IATA's SAF resource page.

Historical Context and Technical Comparison

This situation has historical parallels. The 1973 Oil Crisis, another geopolitical supply shock, permanently altered aviation economics and spurred massive investment in fuel-efficient aircraft. Similarly, the 2022 Russia-Ukraine War forced European carriers onto longer, less efficient routes to Asia, increasing fuel burn and operational costs. The current crisis appears to be accelerating the transition away from fossil fuel dependency that previous shocks only initiated.

Sustainable Aviation Fuel (SAF) vs. Conventional Jet Fuel (Jet A-1)

What Comes Next

The industry is watching for several key developments. The European Commission is expected to publish its emergency Jet Fuel Supply Plan around April 22, 2026, which will outline measures to manage the crisis. More critically, the IEA predicts that European jet fuel reserves could reach critical depletion levels by June 2026 if the Strait of Hormuz remains blocked, raising the probability of significant flight cancellations across the continent.

Why This Matters

This supply crisis transcends a temporary price spike; it represents a structural stress test for European aviation's energy security. The blockade of the Strait of Hormuz has exposed a critical vulnerability and is forcing a strategic acceleration of the industry's transition to SAF, not just for environmental reasons, but as a matter of geopolitical and economic necessity. The outcome will likely reshape airline fuel procurement strategies and government energy policies for the next decade.