Report Highlights

Who Controls This Market — And Who Is Threatening That Control

Neste is the world's largest SAF producer with approximately 1.1 million tonnes per year of SAF capacity (approximately 60%+ of global production) across its Rotterdam, Singapore, and Martinez California refineries. Neste's competitive position is feedstock procurement: its Neste MY Renewable Products division manages the world's most sophisticated global waste lipid supply chain, processing 3.3 million tonnes of waste and residue inputs annually across 12 raw material categories. HEFA-SAF economics depend critically on waste oil and fat costs — Neste's procurement scale and multi-category flexibility give it a USD 50–100/tonne feedstock cost advantage over smaller HEFA producers competing for the same constrained waste lipid pool.

LanzaJet's Alcohol-to-Jet (ATJ) pathway — converting ethanol to SAF — represents the most commercially differentiated alternative to HEFA, with its Freedom Pines facility (Georgia, 10 million gallons per year capacity) the first commercial-scale ATJ-SAF plant in operation. LanzaJet's technology advantage is feedstock flexibility: it can process corn ethanol, sugarcane ethanol, waste-gas ethanol (from industrial emissions via LanzaTech's gas fermentation technology), or cellulosic ethanol — providing pathways to SAF production that are independent of the constrained waste lipid pool that caps HEFA. LanzaTech's carbon recycling ethanol (from steel mill waste gas) offers a pathway to lower-CI SAF than lipid-based HEFA, qualifying for higher CORSIA offset value.

Neste's near-monopoly will be challenged by the PTL (Power-to-Liquid) pathway by 2030, where the competitive landscape is completely different. PTL e-SAF requires green hydrogen (via electrolysis) and CO₂ (from direct air capture or biogenic sources), synthesised via Fischer-Tropsch into a kerosene fraction. HIF Global, Norsk e-Fuel, and Carbon Engineering (now 1PointFive, Occidental subsidiary) are building the first commercial PTL-SAF projects. PTL's competitive control point is CO₂ supply: DAC-CO₂ at USD 300–500/tonne makes PTL-SAF cost USD 6–12/litre versus USD 1.5–2.5/litre for HEFA-SAF. At biogenic CO₂ (USD 30–60/tonne from fermentation or industrial emissions), PTL-SAF economics improve significantly — and biogenic CO₂ supply is the strategic asset for 2030s PTL competitiveness.

Industry Snapshot

Global SAF production in 2024 reached approximately 600,000–800,000 tonnes — less than 0.1% of global jet fuel consumption (approximately 330 million tonnes annually). The production concentration is extreme: Neste alone produces more than half of global supply, with World Energy, TotalEnergies, and a handful of other HEFA operators producing most of the remainder. ATJ and other advanced pathways contribute less than 5% of total SAF volume. SAF prices in 2024 range from USD 2,500–4,000 per tonne versus USD 700–900 per tonne for conventional jet fuel — a premium of 3–5x that airlines and their corporate customers must absorb voluntarily or through regulatory mandate.

The regulatory demand signal is transforming the voluntary market into a compliance market. The EU's ReFuelEU Aviation Regulation mandates 2% SAF blending at EU airports from 2025, rising to 6% by 2030, 20% by 2035, and 70% by 2050, with a specific e-SAF sub-mandate of 1.2% by 2030 and 35% by 2050. The UK's Sustainable Aviation Fuel mandate targets 10% SAF by 2030 and 22% by 2040. Japan's voluntary corporate SAF commitment programme targets 10% SAF for international flights by 2030. These mandates collectively create a legally binding demand floor that HEFA production alone cannot meet at projected 2027 production capacity — implying price escalation as mandatory blenders (airports, airlines at EU hubs) compete for limited supply.

The Forces Accelerating Demand Right Now

The EU ReFuelEU Aviation Regulation (in force January 2025) makes SAF blending legally mandatory at EU airports for all fuel suppliers, with penalties for non-compliance of EUR 2/litre of conventional fuel supplied in lieu of SAF. The penalty rate sets a price ceiling for SAF premiums — airlines and fuel suppliers will pay up to EUR 2/litre above Jet-A prices for SAF before the penalty becomes economically equivalent. Current SAF premiums of EUR 1.5–2.0/litre are approaching this ceiling in tight supply periods, signalling that the mandate-created demand floor is already pricing into the forward market. The 2025 blending requirement of 2% is manageable with current HEFA capacity, but the 2027 6% sub-mandate for e-SAF specifically will require PTL capacity that does not currently exist — creating either a compliance shortfall and penalty collection or emergency PTL project financing.

Major corporate aviation users — Microsoft, Google, Amazon, Salesforce — have made significant SAF purchase commitments under the World Economic Forum's 'Clean Skies for Tomorrow' initiative and the Rocky Mountain Institute's SAF purchasing platform. Delta Air Lines, United Airlines, and American Airlines have committed 10%+ SAF targets for 2030. The book-and-claim mechanism — allowing corporates to purchase SAF certificates representing the carbon reduction value without requiring the physical SAF to be loaded on their specific flight — enables global demand aggregation without the logistical constraint of point-of-use delivery. IATA's SAF Registry and the newly launched Book & Claim SAF credits system (RSB, Gold Standard) provide the verification infrastructure. This voluntary premium demand is absorbing 15%–25% of current SAF production at USD 3,000–5,000/tonne — the highest-margin segment of the market.

What Is Holding This Market Back

HEFA-SAF production competes directly with hydrotreated vegetable oil (HVO) renewable diesel and biodiesel for the same pool of waste cooking oil, tallow, and distillers corn oil. The Renewable Fuel Standard (RFS), LCFS credits in California, and European RED III all create overlapping subsidy incentives for waste lipid use across road transport and aviation — a competition that constrains the volume of waste lipid available for SAF and maintains feedstock prices at USD 900–1,200/tonne (waste cooking oil) that limit further SAF cost reduction. The feedstock constraint is structural, not cyclical: global used cooking oil and animal fat collection is bounded by food system production volumes and existing collection infrastructure. Independent analysis by ICCT and Neste both estimate sustainable waste lipid availability for global SAF at maximum 4–8% of jet fuel demand by volume — confirming that HEFA alone cannot decarbonise aviation.

Seven ASTM D7566 pathways are currently approved for SAF production (HEFA, ATJ, FT-SPK, HFS-SIP, CHJ, DSHC, and ATJ-SPK from ethanol), with additional pathways under review (AFS, Power-to-Liquid). Each pathway has different carbon intensity ranges, blending limits, and CORSIA sustainability criteria requirements — creating a procurement and certification complexity for airlines that must verify SAF sustainability claims across multiple standards. EU ReFuelEU requires SAF suppliers to demonstrate compliance with RED III sustainability criteria, CORSIA's CERT scheme for lifecycle emissions, and EU Emissions Trading System compatibility — a three-body compliance layer that adds EUR 30–50/tonne to compliance documentation cost and creates reporting burden for smaller SAF producers.

The Investment Case: Bull, Bear, and What Decides It

The bull case is HIF Global's Punta Arenas PTL-SAF plant (Patagonia, Chile — 100,000 tonnes/year target) and Norsk e-Fuel's Herøya facility achieving commercial scale at USD 3.0–3.5/litre by 2030, enabled by cheap Patagonian wind power (USD 15–20/MWh) and DAC-CO₂ cost reduction to USD 150–200/tonne under IRA 45Q credits. Under this scenario, PTL-SAF enters the commercial viable range before the EU's 2035 20% mandate requires volumes that HEFA cannot supply, triggering a capital investment wave in PTL. The market reaches USD 50–60 billion by 2034 with PTL representing 20%+ of volumes. Bull case probability: 20%.

The bear case is waste lipid feedstock scarcity driving HEFA-SAF costs above USD 5,000/tonne by 2027 as EU blending mandates create mandatory demand exceeding supply, while PTL and advanced pathways cannot scale in time. Airlines facing SAF procurement costs of 5–7x conventional jet fuel on mandatory blended volumes face EBITDA margin compression of 3–6 percentage points — a profitability impact that triggers aggressive political lobbying for mandate relaxation. EU mandate compliance flexibility mechanisms (shortage provisions, cost-of-compliance reviews) are invoked, reducing the effective demand floor. The market grows more slowly at 25%–30% CAGR, reaching USD 20–25 billion by 2034. Bear case probability: 35%.

The decisive near-term indicator is whether the EU ReFuelEU shortage review (triggered if SAF availability is demonstrably insufficient for 2025–2027 compliance) results in mandate relaxation or penalty enforcement — the latter maintains price signal integrity; the former signals that political will does not match environmental ambition. The decisive medium-term indicator is the commissioning date and cost performance of the first 50,000+ tonne PTL-SAF facility — HIF Global Chile or Norsk e-Fuel Herøya — which will set the market reference point for PTL economics.

Where the Next USD Billion Is Being Built

The 3–5 year opportunity is SAF book-and-claim certificate infrastructure as a financial instrument. Corporate sustainability commitments are generating demand for SAF certificates priced at USD 500–1,500 per tonne CO₂e reduction — a premium sustainability market that does not require the physical SAF to travel through the customer's supply chain. Building the infrastructure (registry, verification, forward contract markets) for SAF certificates as a traded commodity enables airlines to monetise SAF production for forward delivery and enables corporates to fulfil net-zero commitments without operational integration. The SAF certificate market is projected to reach USD 3–5 billion annually by 2030 under bullish voluntary demand scenarios, with IATA, Rocky Mountain Institute, and specialist carbon market operators (South Pole, Climate Vault) competing to be the dominant registry and trading infrastructure.

The 5–10 year opportunity is waste-to-fuel ATJ and gasification-FT SAF pathways leveraging the 2 billion tonnes per year of municipal solid waste globally that currently goes to landfill or incineration. LanzaJet's waste ethanol pathway, Velocys' NOVA RED FT project (UK municipal solid waste to SAF), and Fulcrum BioEnergy's Sierra BioFuels plant represent commercial-scale demonstrations of the pathway. Waste-derived SAF has carbon intensity of 30%–60% below HEFA-SAF and uses feedstocks with negative gate cost (municipalities pay tipping fees for waste disposal), enabling SAF economics potentially competitive with HEFA at scale. Regulatory frameworks for municipal solid waste as SAF feedstock (EPA's MSW biogenic carbon treatment under RFS) are the governance development required to unlock this pathway.

Market at a Glance

Regional Intelligence

The EU ReFuelEU Aviation Regulation (EU 2023/2405), applicable from January 1, 2025, mandates progressive SAF blending at EU airports: 2% from 2025, 6% from 2030 (including 1.2% e-SAF), 20% from 2035 (including 5% e-SAF), 34% from 2040, 42% from 2045, and 70% from 2050 (including 35% e-SAF). The fuel suppliers — not airlines — bear the blending obligation and compliance penalty. SAF must meet EU RED III sustainability criteria and CORSIA carbon accounting standards. The EU ETS includes aviation (since 2012 for intra-European flights, extended to all departing flights under the 'FuelEU Maritime' co-regulation review), making SAF qualify as a compliance instrument reducing EU ETS allowance surrender obligations.

The US IRA's Section 40B SAF tax credit provides USD 1.25–1.75 per gallon (approximately USD 330–460/tonne) for SAF meeting CORSIA sustainability criteria and demonstrating at least 50% lifecycle GHG reduction versus conventional jet fuel, with bonus credits for higher lifecycle reductions. The credit's 2023–2024 availability created a USD 1.25–1.75/gallon price improvement for US SAF producers — partially closing the price gap with conventional jet fuel. The FAA's FAST Act SAF grant programme and the DOE's SAF Grand Challenge (targeting 3 billion gallons per year of US SAF production by 2030) provide the research and infrastructure funding complementing the tax credit production incentive.

Leading Market Participants

• Neste
• World Energy
• Gevo
• LanzaJet
• SkyNRG
• Velocys
• HIF Global
• Repsol
• TotalEnergies
• Boeing

Long-Term Market Perspective

By 2034, SAF will represent 5%–10% of global jet fuel consumption — approximately 15–30 million tonnes annually versus current production of less than 1 million tonnes. HEFA will remain the dominant pathway by volume through 2030, but its share will decline as ATJ, gasification-FT, and early PTL volumes grow. The cost gap versus conventional jet fuel will have narrowed to 1.5–2.5x at scale for HEFA-SAF, with PTL-SAF approaching 3x. Airlines will have embedded SAF premiums into ticket prices in markets with blending mandates — the average transatlantic ticket carrying USD 15–30 SAF surcharge by 2030 — normalising the cost pass-through.

The most consequential long-term structural question for SAF is whether direct air carbon capture achieves the cost reduction required to make PTL-SAF the dominant pathway at scale. Carbon Engineering / 1PointFive, Climeworks, and Global Thermostat have demonstrated DAC at USD 300–600/tonne CO₂; the IEA Net Zero scenario requires USD 100–150/tonne by 2030 and USD 50–100/tonne by 2050 to make PTL-SAF economically viable without premium carbon credit revenue. If DAC achieves these targets — driven by the IRA's Section 45Q tax credit (USD 180/tonne for direct air capture, the most generous industrial carbon removal incentive in the world) — PTL-SAF transitions from an aspirational net-zero pathway to a commercial near-parity fuel by 2035, reshaping the entire SAF cost structure.