The SAF Executive Brief
Issue 1 — March 14, 2026
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POLICY
UK SAF Act Becomes Law: Fuel Suppliers Face a New Levy, Producers Get a Price Guarantee
The UK Sustainable Aviation Fuel Act 2026 received Royal Assent, establishing the legal framework for the country's SAF mandate. The Act introduces a revenue certainty mechanism designed to guarantee SAF producers a minimum price, directly addressing the investment barrier that has stalled multiple UK projects. Fuel suppliers now face a new levy to fund the scheme, with the UK's blending target set to nearly double from 2% in 2025 to 3.6% in 2026. The legislation positions the UK alongside the EU's ReFuelEU mandate as one of only two major markets with binding SAF purchase obligations backed by law.
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POLICY
ReFuelEU's 2030 eSAF Sub-Mandate Stays on the Books, but the EU Won't Enforce It
The European Commission confirmed it will not enforce penalties for airlines or fuel suppliers that fail to meet the 2030 eSAF sub-target under ReFuelEU Aviation. The sub-mandate itself remains legally in place, creating regulatory ambiguity that could slow investment in Power-to-Liquid projects counting on mandated demand. For eSAF developers already struggling with bankability, the signal is damaging.
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INDUSTRY
Heathrow Commits £80M to Push SAF Uplift to 5.6%, Two Points Above the UK Mandate
Heathrow Airport announced it will spend £80 million to voluntarily exceed the UK's 2026 SAF mandate by two percentage points, targeting 5.6% SAF in its fuel supply. The move makes Heathrow the first major airport to set a blending target above its national requirement. It signals that airport operators may become direct SAF procurement players rather than leaving compliance entirely to fuel suppliers.
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MARKET
California SAF Hits 885 Cents a Gallon, an All-Time High
SAF prices in California reached a record 885 cents per gallon as Middle East conflict squeezed global jet fuel supply chains. The price spike is widening the SAF premium over conventional jet fuel at the worst possible moment for airlines facing new blending mandates. The market pressure underscores why revenue certainty mechanisms like the UK's new SAF Act are critical for producers.
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TECHNOLOGY
Equilibrion and Rolls-Royce SMR Partner to Assess Nuclear-Powered eSAF
Rolls-Royce SMR signed an MoU with project developer Equilibrion to assess how a single small modular reactor could produce over 160 million litres of eSAF annually. The partnership targets a key bottleneck in Power-to-Liquid economics: the cost and availability of continuous baseload clean electricity. Nuclear's 80% capacity factor dwarfs solar PV's 18%, potentially halving hydrogen production costs.
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INVESTMENT
IRENA and ICAO Deploy $4.15 Billion Financing Network to Unblock SAF Projects
IRENA and ICAO launched a joint financing platform connecting SAF project developers with institutional investors, mobilising $4.15 billion in committed capital. The Finvest Hub addresses a persistent gap: technically viable SAF projects that stall before financial close because developers cannot navigate the institutional investment landscape. The platform targets projects in both established and emerging markets.
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Deep Dive: Nuclear Power for eSAF -- Part 1 of 2
This week's SAF Deep Dive on LinkedIn launched a two-part series examining whether nuclear small modular reactors can solve eSAF's power problem. Part 1 breaks down the capacity factor economics (nuclear at 80% vs solar at 18%), the Equilibrion/Rolls-Royce SMR partnership, and the Bristol Airport feasibility study that projects a 29% regional emissions cut by 2035. The core question: can nuclear baseload power make Power-to-Liquid economically viable where renewables alone cannot?
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SAFpath Take
Two policy stories this fortnight tell one story. The UK passed a law guaranteeing SAF producers a minimum price. The EU quietly signalled it won't enforce its own eSAF target. One jurisdiction is building a floor under investment; the other is pulling it away. The SAF industry doesn't lack technology or capital. It lacks the regulatory certainty that turns both into operating plants. Heathrow's decision to voluntarily exceed its mandate by two points is instructive: the airport is betting that early SAF procurement buys competitive advantage, not just compliance. That is the shift the market needs. When SAF becomes a strategic asset rather than a regulatory cost, project finance follows.
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