Fundraise

XFuel secures €4.1M Catalonia grant for low-carbon marine fuel plant

What's the deal? XFuel, a drop-in fuel technology firm, has secured a €4.1 million grant from Catalonia's Nuclear Transition Fund to build a low-carbon marine fuel production facility in the region. The plant will convert 16,000 metric tonnes per year of marine waste oils into 14,000 metric tonnes per year of low-carbon marine gasoil (MGO).

The facility will sit near the ports of Tarragona, Barcelona, Sagunto, and Valencia to cut emissions tied to feedstock supply and fuel distribution. XFuel said the grant was the second largest awarded under the programme and received the highest score among applicants.

The company's proprietary chemical liquid refining (CLR) technology converts waste hydrocarbon liquids into drop-in transport fuels — meaning they work without engine or infrastructure modifications.

Why now? Shipping faces mounting pressure to decarbonise, but the industry's reliance on heavy fuels makes the transition slow and expensive. Drop-in fuels offer a pragmatic bridge: they slot into existing engines and supply chains while delivering lower emissions.

XFuel is building momentum. In January, it raised $20 million from maritime groups NYK LineDealroom has a profile for this one. Try Dealroom → and Stolt VenturesDealroom has a profile for this one. Try Dealroom → to scale its technology for shipping. The Catalonia grant adds public funding to that private backing.

"The Catalonia facility will be a flagship demonstration of what drop-in, waste-derived low-carbon fuels can deliver — solutions that are commercially viable, infrastructure-compatible, and urgently needed by the maritime sector," said Nicholas Ball, chief executive officer and co-founder of XFuel.

What could go wrong? Waste-oil feedstock supply can be unpredictable. Scaling from a demo plant in Mallorca to a 16,000-tonne commercial facility introduces execution risk around procurement, permitting, and consistent output quality. The grant also comes from a nuclear transition fund — a politically charged source that could face scrutiny or future budget shifts.

The signal: XFuel's backers tell the story: NYK Line and Stolt Ventures are not generalist VCs but operating maritime groups putting capital behind fuels they could actually buy. That strategic investor profile, combined with public grant funding, suggests waste-to-fuel technology is crossing from pilot curiosity to commercial procurement pipeline — a pattern worth watching as European ports race to build green fuel infrastructure ahead of tightening EU emissions rules.

Read more: shipandbunker.com

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