Hydrogen Production Innovation: Honeywell, Verso Join Forces on eFining eSAF

Earlier this month, Honeywell and Verso Energy announced they’re joining forces across seven sites in France, Finland and the United States to crank out electro-sustainable aviation fuel (eSAF). By licensing Honeywell UOP’s eFining™ methanol-to-jet technology, the duo wants to roll out a rock-solid plant design that can turn biogenic CO₂, renewable electricity and plenty of green hydrogen into a drop-in jet fuel alternative.

Setting the stage

If you’ve been keeping an eye on sustainable energy in aviation, you know that for the past two decades, SAF production leaned heavily on bio-based feedstocks like vegetable oils and animal fats. The hydroprocessed esters and fatty acids (HEFA) approach scaled up nicely but quickly ran into feedstock bottlenecks and land-use debates. With airlines and regulators chasing net-zero targets, a fresh set of electrofuel pathways began to steal the spotlight. These processes capture CO₂—either from biomass or industrial stacks—and pair it with hydrogen from electrolysis powered by renewables, delivering a next-gen fuel that slots right into today’s airports.

Honeywell UOP has been in the driver’s seat for this shift. Their eFining process turns methanol—made from CO₂ and hydrogen—into kerosene-range hydrocarbons that are fully compatible with existing aircraft engines and fueling infrastructure. For Verso Energy, a French developer backed by the EU Innovation Fund and national grants, having a plug-and-play eSAF plant design is key to scaling up production around the globe.

How it works

At the heart of this collaboration are two big steps. First up, you get e-methanol by mixing captured CO₂ streams with renewable electricity and green hydrogen—a crucial part of any discussion around modern hydrogen production. Once you have that low-carbon methanol in hand, you feed it into Honeywell UOP’s eFining™ methanol-to-jet reactor, which reshapes those molecules into drop-in jet fuel. The best part? Since the end product meets existing fuel specs, airlines can blend it or run it straight-up without tweaking engines or logistics.

Ambitious scale

Verso Energy has mapped out seven eSAF hubs to get this show on the road:

• France (DEZiR): Riding on support from the EU Innovation Fund and the French government.
• Finland (ReSTart): Leveraging abundant biomass, wind power and bio-based CO₂ streams.
• United States (locations TBC): Tapping into domestic SAF incentives and local feedstocks.

All told, this network could churn out up to 200 million gallons of eSAF a year—enough to slash aviation’s lifecycle greenhouse gas emissions by up to 88% compared to regular jet kerosene.

Driving policy compliance

Regulatory tightrope walks are nothing new in the world of sustainable energy, and SAF is no exception. In Europe, the ReFuelEU Aviation rulebook sets a 2% SAF blend by 2025 and pushes that to 35% eSAF by 2050. Airlines are already lining up offtake agreements to hit those marks, but supply is seriously tight. Verso’s CEO Antoine Huard stresses that having efficient, repeatable plant designs isn’t just nice to have—it’s the difference between hitting those targets or coming up short.

Over in the US, a toolbox of incentives—from federal tax credits to state-level low-carbon fuel standards—makes the economic case for eSAF even stronger, helping to de-risk these early builds. And by spreading projects across North America and Europe, the partners can hedge policy risks and open doors to a wider pool of offtakers.

Strategic benefits

• Portfolio expansion: Honeywell adds another feather to its cap in low-carbon solutions alongside Ecofining and FT Unicracking.
• Standardization: Verso Energy taps into a proven process design, cutting development costs and speeding up timelines.
• Circular carbon: By sourcing CO₂ locally, the approach lessens reliance on limited lipid-based biofeedstocks.
• Global supply resilience: Distributing hubs across regions buffers offtake contracts against local policy hiccups or feedstock snags.
• Job creation: Each plant could mean hundreds of roles in engineering, construction and operations, boosting local economies.

Remaining hurdles

• Green hydrogen availability: Scaling up electrolyzer capacity and locking in cost-competitive renewable power are still big asks.
• Capital intensity: Even with a turnkey process, these first projects require hefty upfront investment.
• CO₂ capture costs: Finding reliable, cost-effective capture tech is mission-critical for feedstock security.

Comparative edge

Why choose the methanol-to-jet route over older Fischer–Tropsch-based electrofuel methods? For starters, methanol plants tend to be more modular and compact, which is a huge win if you’re trying to fit into smaller industrial parks or retrofit existing refineries. Plus, Honeywell UOP brings decades of know-how in methanol and jet processing—offering investors and offtakers a track record that newer ventures are still working to build.

Country contexts

Each region brings its own flavor. France is fast becoming Europe’s electrofuel hotspot thanks to solid government backing for projects like DEZiR. Finland’s energy strategy—rooted in biomass and wind—ensures a steady stream of green electricity and biogenic CO₂. And in the US, state-level low-carbon fuel standards paired with federal SAF tax credits make early facilities less of a gamble while locking in offtake under emerging carbon-cutting schemes.

Financing frameworks

Nailing down long-term offtake deals and clear subsidy signals is non-negotiable. Verso Energy has already shown how public–private mashups can work, snagging EU Innovation Fund backing for DEZiR and ReSTart. Moving forward, developers could lean on partnerships with export credit agencies or blended finance models—mixing grants, tax perks, debt and equity—to secure the kind of capital that makes big projects fly.

Historical context

Flash back to the early 2000s, when SAF was all about blending cooking oils or tallow into jet kerosene. That kickstarted HEFA plants, but feedstock scarcity and land-use squabbles kept growth in check. Around 2015, plunging renewable electricity costs and leaps in CO₂ capture tech kicked electrofuels into high gear. Since then, the EU Innovation Fund has put projects like DEZiR and ReSTart front and center as proof points for a circular carbon economy.

Broader implications

This partnership isn’t just about aviation; it’s part of a bigger push toward industrial decarbonization. As hydrogen hub initiatives gain steam, co-locating electrolyzers, CO₂ capture units and eSAF plants could create powerful clusters that fast-track zero-emission fuels for planes, trucks and beyond.

Looking ahead

If the first eFining eSAF hubs fire up by the early 2030s, they’ll serve as blueprints for a global rollout. For Honeywell, it cements their spot as a go-to licensor of cutting-edge decarbonization tech. For Verso Energy, it proves that modular, standardized designs can knock down feedstock and cost barriers. And for the broader industry, it’s the ultimate test: can electrofuels really scale to meet aviation’s net-zero ambitions? Time to fasten your seatbelts—the next decade should tell the tale.

About the companies

Honeywell is a US-based tech and manufacturing powerhouse, founded in 1906. Through its UOP arm, it’s a veteran in process technologies for energy, chemicals and fuels—now doubling down on low-carbon and sustainable energy solutions.

Verso Energy is a France-headquartered developer of low-carbon molecules. With EU Innovation Fund backing for DEZiR and ReSTart, they’re aiming to break ground around 2030 and prove that modular eSAF plants can become the new industry standard.