Inevitable

Why Circularity Fuels Started with Diamonds to Scale Sustainable Jet Fuel

Sep 16, 2025
Dr. Stephen Beaton, Co-founder and CEO of Circularity Fuels, talks about transforming waste carbon into high-value fuels. With a rich background in clean fuels and military petroleum, he shares insights on shifting from diamond production to sustainable aviation fuel. The podcast dives into the innovative process of using high-purity methane to revolutionize fuel production, explores military energy solutions, and highlights the benefits of biogas in creating carbon-negative jet fuel. It's a fascinating look at the future of sustainable energy.
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ANECDOTE

Personal Origin Story

  • Stephen Beaton traced his motivation back to 9/11 and his brother's deployments, which made him want to reduce reliance on oil.
  • That childhood drive led him to study fuels, join the Air Force Academy, and pursue a PhD in hydrogen catalysis at Oxford.
ANECDOTE

Running Deployed Fuel QC

  • Stephen described running the Air Force's deployed petroleum quality control lab in the Middle East and testing jet fuel properties.
  • He checked long-term storage, volatility, and whether fuel still met performance specs after months in large tanks.
INSIGHT

SAF As A Resilience Play

  • The Air Force sees on-site synthetic fuel production as resilience, not just sustainability.
  • Producing fuel locally avoids vulnerable tanker supply chains for distributed Pacific bases.
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