What specific technology is Shell licensing to Engie, and how does it convert CO₂ into sustainable aviation fuel?

Shell is licensing its XTL1 integrated process under the power-to-liquids (PTL) pathway to Engie for the KerEAUzen project. The process uses captured biogenic CO₂ and renewable green hydrogen as feedstocks, beginning with Shell’s reverse water-gas shift (RWGS) technology to convert CO₂ and H₂ into syngas, followed by Fischer–Tropsch synthesis and wax hydroprocessing to produce synthetic kerosene that is fully compatible with existing aircraft engines and meets EU ReFuelEU Aviation regulatory standards.

Why did Engie select Shell’s technology for its e-SAF project, and what strategic advantages does the Le Havre location offer?

Engie selected Shell’s XTL1 technology based on its superior overall energy efficiency, proven technical maturity, and demonstrated track record in large-scale implementation — strengths rooted in Shell’s decades of experience in gas-to-liquids (GTL), including design, construction, and operation of the world’s largest integrated GTL facility. The project will be located in Le Havre, a site chosen for its favorable logistics infrastructure, enabling efficient supply of the produced e-SAF to major Paris airports and broader European aviation hubs; it is also officially recognized under France’s Environment Agency’s low-carbon aviation support program as a cornerstone initiative for building a domestic European e-SAF value chain.

Shell Licenses Green Aviation Fuel Process to Engie

Jun 22, 2026

Shell has licensed its XTL1 sustainable aviation fuel technology to Engie for the KerEAUzen project in Le Havre. The facility will produce e-SAF from captured CO2 and green hydrogen, fully complying with EU ReFuelEU standards.

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