Sustainable aviation fuel

LanzaJet

48Mixed / Improving

Deerfield, USFounded 20200 followers

www.lanzajet.com/

Produces sustainable aviation fuel from ethanol using patented alcohol-to-jet (ATJ) technology at its Freedom Pines commercial-scale facility in Georgia.

Green Score

48/100
Mixed / Improving
Greenwashing risk
medium
Data confidence
medium
Method
how it is calculated
Climate Impact & Solution35%58

Does the core business genuinely avoid or reduce emissions, or build climate resilience? Share of revenue that is actually 'green'. Fossil-dependent models score low.

The ATJ process can deliver 54–66% lifecycle GHG reductions vs fossil jet fuel when using sugarcane ethanol per EPA, but the process is energy-intensive — using grid electricity, fossil gas, and fossil-derived hydrogen — and corn-based feedstock carries substantial carbon intensity from fertilizer, farm energy, and potential land-use change, creating a wide real-world impact range.

Decarbonization & Targets20%28

Credible, science-based targets (SBTi), a real net-zero plan with progress to date, and CDP disclosure — not just a dated press release.

No evidence of SBTi-validated targets, CDP disclosure, or a publicly quantified net-zero roadmap with interim milestones; as a private, recently-commercialized company, LanzaJet has not filed verifiable science-based targets with any recognized independent body.

ESG & Operations15%42

Operational footprint, labour and social practices, and governance quality across the company's own operations and supply chain.

LanzaJet is a small private company with no published sustainability report, no independently verified GHG inventory for its own operations, and limited public disclosure on labor practices or governance structure; its backing from high-profile investors (including Bill Gates) provides some governance credibility but is not a substitute for formal ESG reporting.

Transparency & Verification15%35

Quality of disclosure, independent third-party verification, and how much hard data backs the company's claims.

LanzaJet's public disclosures are largely marketing-oriented; no third-party-verified lifecycle analysis specific to the Freedom Pines facility's actual feedstock mix has been publicly released, and the feedstock-dependency debate over indirect land-use change remains unresolved in its public communications.

Integrity15%72

Controversies, litigation, pollution, fossil-fuel lobbying, conflict-zone involvement and governance scandals. Higher means cleaner.

No material controversies, litigation, greenwashing findings, or governance scandals identified; the primary integrity risk is the unresolved academic and policy debate over whether crop-based ethanol feedstocks undermine the claimed climate benefits when indirect land-use change is fully accounted for.

Ownership

Related

Why it's on ClimateTicker

LanzaJet operates the first commercial-scale US ethanol-to-jet (ETJ) SAF facility, which can deliver meaningful lifecycle emissions reductions versus fossil jet fuel — but the actual climate benefit is highly feedstock-dependent. When corn-based ethanol is used, emissions reductions shrink or can be offset by indirect land-use change; the genuine climate case rests on scaling low-carbon or waste-derived feedstocks, which remain a fraction of current supply.

mitigationLanzaJet licenses its patented alcohol-to-jet technology and operates the Freedom Pines Fuels facility in Georgia, selling SAF and renewable diesel to airlines and fuel buyers, while generating revenue from technology licensing deals for future third-party plants.

Commitments & Certifications

Controversy & Greenwashing Watch

mediumFeedstock carbon accounting dispute

Independent researchers and analysts warn that corn- and sugarcane-based ethanol feedstocks can increase net aviation emissions when indirect land-use change (e.g., deforestation to grow energy crops) is fully counted, a risk LanzaJet has not publicly addressed with transparent, third-party-verified LCA data specific to its Georgia plant.canarymedia.com

lowFossil inputs in ATJ process

The alcohol-to-jet conversion process at Freedom Pines uses grid electricity, fossil natural gas, and hydrogen predominantly derived from fossil gas, partially undermining the renewable claim unless these inputs are decarbonized.canarymedia.com

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