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Oxford Type 5 — Long-lived RemovalUSA

Charm Industrial Bio Oil

Converts agricultural waste into bio-oil for permanent geological carbon storage.

Charm Industrial converts agricultural residues — corn stalks, wheat straw, and other crop waste that would otherwise decompose and release CO₂ — into bio-oil through fast pyrolysis. This bio-oil is then injected into deep geological formations such as depleted oil wells for permanent carbon storage, creating a novel carbon removal pathway that is both scalable and cost-effective. Unlike direct air capture, Charm's approach uses existing agricultural infrastructure and creates a new revenue stream for farmers while achieving highly durable, geologically permanent carbon storage verified to strict standards. The company's process captures carbon that was recently removed from the atmosphere by plants and stores it underground for thousands of years, effectively reversing the carbon cycle. Charm has delivered carbon removal to major corporate buyers including Microsoft and Stripe, demonstrating commercial viability.

Verification & Registry

Registry ID
Isometric 7BDE
Standard
Isometric
Location
USA
Oxford Type
Oxford Type 5 — Long-lived Removal
Developer
Charm Industrial
Vintages in the portfolio
2026, 2028

Registry data from the project’s registry record and CNaught, checked in October 2026.

How it fits the portfolio

Removes CO₂ and stores it for centuries or longer: underground, in minerals or as stable biochar. The most durable and most expensive type.

Risks to know

  • High cost and limited supply, so its share of the portfolio is small today.
  • Early-stage technologies: some credits are delivered in future years, and delivery depends on them scaling up.

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