Sustainable e-fuels
for sustainable aviation


Sustainable & affordable e-fuels at scale for sustainable aviation


To achieve carbon-neutrality in 2050, sustainable solutions need to be developed in all sectors. Aviation is under great pressure, due the current fossil technologies, long lifetimes of planes, and large share of global CO2 emissions, currently reaching about 2-3% globally and 4% within the EU. 

Sustainable aviation fuels (SAF) are a key solution to push aviation towards emission reductions. Bio-based SAF is a great first solution, but no silver bullet, due to feedstock limitations and a broad variety in emission reduction level. E-fuels show high potential but are still immature, suffering from high cost and low efficiency.


The rapid growth of SAF demand requires a new type of organization that integrates the current partial solutions to build a robust end-to-end value chain. Spark has a clear customer-centric approach with the goal to close current and future demand-supply gaps and achieve cost-competitive production of sustainable e-fuels at scale.

By optimizing the production steps with least maturity and developing a full process design that leverages existing infrastructure and technologies, Spark addresses the most relevant bottlenecks for the role out of e-fuels: high cost, low volumes and limited sustainability. With this novel approach Spark thrives to deliver sustainable e-fuels for a sustainable aviation industry.



Solving key bottlenecks by improved process design

Full integration

Interconnection of all production steps to a fully integrated e-fuels process with highest efficiency


Design of standardized modules for scalable e-fuel facilities with high automation and tailored to low-cost renewables locations


Full value chain approach from renewables electricity to jet fuel; with tech development focus on critical process steps

Supported by


We are passionate about sustainability and want to make a difference

Julia Bauer

CSO - Chief Science Officer

Sustainable chemical technologies are the central theme throughout Julia’s professional career. Being a chemist by training, she developed profound knowledge of catalysis and industrial chemistry during her PhD at BasCat – UniCat BASF JointLab and as a process engineer at Evonik. She made it her mission to advance innovative chemical processes with impact.

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Mathias Bösl

CEO - Chief Executive Officer

Mathias is a green technology and sustainable business enthusiast. Holding a PhD in physics and an MBA, he developed & commercialized green technologies in an industrial and academic environment. With his business background at the Boston Consulting Group (BCG) he strives to build a great company to bring e-fuels to commercial scale.

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Arno Zimmermann

CTO - Chief Technology Officer

Creating cleantech products is Arno’s passion. He has been working on sustainable chemistry, and energy technology products for global corporates, start-ups and academia. In his PhD he analyzed techno-economics of using CO2 as a resource and conducted an e-fuels study at MIT. Arno co-founded two sustainability start-ups and was named Forbes 30 Under 30.

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Want to help us make the aviation industry sustainable? Would be great to hear from you!

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We are always looking for potential partners and customers who share our vision of a sustainable aviation future!


Please reach out to us if you are interested to learn more about our products

or want to join our mission!

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