Fundraising Fox

Carbon Crusher

YC W22

Oslo, NO · Founded 2021 · 21 employees · 4 known investors

Carbon Crusher uses lignin-based materials to recycle existing road surfaces into carbon-negative replacements, removing approximately 1.5 tonnes of CO2 per 100 feet of road. The company offers crushing and refurbishment services to road owners and operators, with plans to use satellite monitoring for road condition assessment.

Advanced ManufacturingClimate TechCarbon Capture and RemovalConstructionClimateNorwayEuropePartly Remote

Founders & leadership· Y Combinator alumni (W22)

Carbon Crusher was founded in 2021 by Haakon Brunell, Hans Arne Flåto, and Kristoffer Roil.

HBHaakon Brunell
Haakon BrunellinFounderHe previously co-founded and served as CEO of Katapult, an impact and sustainable development technology accelerator, and was an associate partner at McKinsey & Company. He has invested in numerous impact-focused technology companies.
HAHans Arne Flåto
Hans Arne FlåtoinFounderHans Arne Flåto has founded and co-founded multiple companies and brings experience in the defense, energy, and electronics sectors. He has received innovation awards in 2010 and 2021.
KRKristoffer Roil
Kristoffer Roilin𝕏FounderKristoffer Roil has founded multiple startups and achieved exits since 2005, and has served as an angel investor in over 30 companies across various sectors including aerospace, healthcare, fintech, and quantum computing.

Investors · 4

LOWERCARBONJackson · $1M – $50M
Lowercarbon CapitalNew York · $100K – $5M
MetaplanetTallinn · $500K – $10M
Y CombinatorSan Francisco · $500K

In the news

Carbon Rover | Carbon Crushercarboncrusher.com · Nov 2025Meet the YC alum Carbon Crusher storing carbon in our roads | Siftedsifted.eu · May 2024Aztec's Carbon Crusher Network Raises Environmental Awareness – Aztec Groupaztec.group · Apr 2024Norwegian start-up Carbon Crusher has a way to repair roads that's carfastcompany.com · Mar 2022Carbon Crusher raised a seed investment round. | Nordic 9nordic9.com

Frequently asked questions

What does Carbon Crusher do?
Carbon Crusher uses lignin-based materials to recycle existing road surfaces into carbon-negative replacements, removing approximately 1.5 tonnes of CO2 per 100 feet of road. The company offers crushing and refurbishment services to road owners and operators, with plans to use satellite monitoring for road condition assessment.
Who founded Carbon Crusher?
Carbon Crusher was founded by Haakon Brunell, Hans Arne Flåto, Kristoffer Roil in 2021.
Who are Carbon Crusher's investors?
Carbon Crusher's investors include LOWERCARBON, Lowercarbon Capital, Metaplanet, Y Combinator.
Where is Carbon Crusher headquartered?
Carbon Crusher is headquartered in Oslo, NO.