CORSIA Eligible Fuels
Learn how eligible fuels are assessed, documented and integrated into operational planning.
Latest regulatory updates
What changed recently
ICAO
ICAO approves Bonsucro as a new CORSIA Sustainability Certification Scheme
The ICAO Council has approved Bonsucro as an additional Sustainability Certification Scheme (SCS) for CORSIA Eligible Fuels, expanding certification pathways for sustainable aviation fuel.
ICAO
ICAO publishes guidance on verification of CORSIA Eligible Fuel claims
ICAO has published guidance on the verification of CORSIA Eligible Fuel (CEF) claims, now incorporated into the Fourth Edition of the Environmental Technical Manual. The guidance establishes a harmonised approach for aircraft operators and verification bodies, clarifying the evidence and documentation expected to support eligible fuel claims during CORSIA verification.
What operators should know
Practical guidance for compliance teams
What operators should know
What changed?
Eligible fuel guidance increasingly expects transparent sourcing evidence and clear operating procedures.
Why is it important?
Procurement choices have direct implications for both compliance and commercial reporting.
Who is affected?
Operators, fuel suppliers and sustainability teams involved in fuel and offset planning.
When does it apply?
This applies throughout fuel purchasing, uplift and reporting processes.
What action should operators take?
Create a documented evidence process for fuel eligibility and maintain records with each uplift.
Risks of non-compliance
Poor documentation can weaken compliance positions and create avoidable commercial friction.
Emissence insight
Emissence insight
The strongest operators connect fuel strategy, procurement and reporting so that evidence is available when it is needed.
Common mistakes operators make
- Map evidence requirements before fuel contracts are signed.
- Keep procurement and sustainability teams aligned on eligibility criteria.
- Maintain a simple record for each fuel transaction.
Recommended actions
- Create a fuel evidence checklist for internal reviewers.
- Review supplier documentation before each reporting cycle.
- Document exceptions and approval routes early.
Need help understanding how this regulation affects your airline?
Our specialists help aircraft operators achieve compliance with EU ETS, UK ETS, CORSIA, ReFuelEU Aviation and other sustainability regulations.