LanzaTech Global, Inc. (LNZAW)

What is LanzaTech and what does it actually do?

LanzaTech Global, Inc. is a carbon-capture-and-transformation (CCT) company that uses proprietary gas-fermentation technology to convert industrial waste carbon, carbon monoxide, and carbon dioxide into ethanol, sustainable aviation fuel (SAF), and chemical precursors for polymers and textiles. The company went public in February 2023 via a SPAC merger with AMCI Acquisition Corp. II, with shares and warrants trading on the Nasdaq under the symbols LNZA and LNZAW.

LanzaTech’s core technology is licensed from research conducted over decades; the company itself was founded in 2005 in New Zealand and relocated to Illinois in the United States. The fundamental innovation is using engineered bacteria to consume carbon-containing gases in large-scale bioreactors, producing liquid ethanol as a byproduct. This fermentation approach, known as gas fermentation, differs from direct air capture or other carbon-removal technologies; it requires a concentrated source of carbon monoxide or CO₂ — typically from steel mills, refinery flare gas, or municipal waste gasification — rather than capturing carbon from ambient air. Concentrating feedstock this way makes the economics vastly more favorable than diffuse air-capture competitors face.

How does the company make money and what is its path to profitability?

LanzaTech operates through licensing and project-development agreements with industrial partners, particularly in steel production, energy, and aviation. Customers include ArcelorMittal, Suncor Energy, Shell, British Airways, Virgin Atlantic, and ANA (All Nippon Airways). The company earns revenue through three channels: (1) licensing its technology and IP to industrial partners who build and operate their own fermentation facilities; (2) constructing and operating joint-venture facilities that produce SAF or ethanol, with revenue shared between LanzaTech and the partner; and (3) selling ethanol from its own commercial facilities into fuel and chemical markets.

The company reported that it had six commercial facilities already operational as of early 2025, with additional projects in development. However, LanzaTech has not reached profitability on an operating or net basis. The company reported a net loss in most recent periods, reflecting heavy capital and research expenditure needed to scale production, advance next-generation reactor designs, and secure partnerships. Path to profitability depends on three variables: the speed at which partner projects commercialize and reach intended production rates; the price of SAF relative to conventional jet fuel, which is set by policy mandates and market conditions; and the absolute cost of production, which falls as LanzaTech achieves manufacturing scale and refines process chemistry.

What market opportunity does carbon capture address?

The sustainable aviation fuel market is central to LanzaTech’s growth story. Aviation accounts for roughly 2–3 percent of global carbon emissions and has no near-term alternative to liquid fuel for long-haul flight. Current regulations, including the US Sustainable Aviation Fuel Credit Program and Europe’s Renewable Energy Directive, require or incentivize blending of SAF with conventional jet fuel, creating a mandated market. The global addressable market for SAF is estimated to reach 61 billion gallons per year by 2040, growing from near zero today.

LanzaTech and its joint venture LanzaJet produced a commercial product called CirculAir, which converts waste, industrial carbon, and renewable electricity into SAF. The pitch to airlines is that SAF can reduce lifecycle emissions by 80–85 percent compared to fossil jet fuel, addressing regulatory mandates in the US and EU while helping airlines meet net-zero commitments. However, SAF production is capital-intensive, and profitability depends entirely on policy support (tax credits, blending mandates, carbon pricing) and price premiums that airlines will accept.

The broader carbon-capture market includes opportunities in steel decarbonization, chemical production, and polymers. LanzaTech’s partnerships with steelmakers position the company to participate in the decarbonization of that industry, a large addressable market but one more vulnerable to economic cycles and commodity steel pricing.

What are the key risks?

LanzaTech’s business is exposed to policy risk and government subsidy dependence. Sustainable aviation fuel economics rely heavily on tax credits (currently $1.75 per gallon in the US for certain feedstocks), blending mandates, and carbon pricing mechanisms. Any reduction or removal of these incentives would immediately undermine project economics and partner willingness to invest in facilities. Similarly, carbon capture tax credits under the US Inflation Reduction Act, which support the company’s domestic projects, could be subject to future legislative change.

Commercial execution risk is substantial. Gas-fermentation technology operates at commercial scale only in LanzaTech’s projects, unlike more mature carbon-capture technologies. Scaling production, achieving cost targets, and reaching throughput guarantees in large facilities involves technical risk. Partner dependencies are high: the company’s success depends on partners building and operating facilities to spec, meeting production targets, and maintaining offtake agreements for the fuel produced.

Commodity and energy-price exposure is real. The economics of SAF production are sensitive to the cost of feedstock (which includes pricing for flare gas, waste-carbon streams, and renewable electricity). A severe decline in fossil fuel prices would widen the cost gap between SAF and conventional jet fuel, raising the subsidy required per gallon and potentially undermining project returns. Conversely, energy-price spikes can also compress margins if power and feedstock costs rise faster than SAF selling prices.

How should investors and researchers evaluate LanzaTech?

Start with the company’s most recent SEC filings (CIK 0001843724), particularly the 10-K and 10-Q reports, which detail revenue by project and segment, losses from operations, and management’s discussion of project timelines and partnership status. Pay specific attention to cash burn, capital requirements, and the runway the company has before requiring additional financing.

Quarterly earnings calls reveal the status of commercial projects: Are facilities coming online on schedule? Are partners committing capital to next-phase development? Are purchase agreements with airlines being signed and updated? The company’s ability to convert pilot facilities into revenue-generating operations is the critical operational question.

External factors matter as much as company fundamentals. Track legislative developments around tax credits, blending mandates for SAF, and carbon pricing. Monitor commodity energy prices and feedstock costs, as these directly affect project-level returns. Follow industry partnerships: partnerships with major steelmakers, refiners, or airlines signal confidence in the technology and de-risk commercialization.

For a climate-tech investor, LanzaTech represents a credible effort to decarbonize a hard-to-abate industry (aviation) using a proven biochemical approach. The company’s patented technology (over 1,250 patents across its platform), blue-chip customer relationships, and government backing provide structural support. Yet the business is early-stage, dependent on execution, and highly sensitive to policy. Viewing LanzaTech as an emerging supplier to the aviation decarbonization value chain — rather than as a near-term profit generator — is the appropriate frame.