IATA joins ICAO in the Supporting Alliance for CORSIA EEU Supply

October 15, 2026 |

In Belgium, International Air Transport Association (IATA) announced at its World Sustainability Symposium that the International Civil Aviation Organization (ICAO) has joined the Supporting Alliance for CORSIA EEU Supply (the Alliance).

The Alliance brings together more than 80 CORSIA stakeholders to address bottlenecks that limit the availability of Eligible Emissions Units (EEUs). Its work focuses on practical implementation support, including facilitating the processes needed to authorize emissions units for use under CORSIA while avoiding double counting.

This supports countries in navigating the interface between their Nationally Determined Contributions under the Paris Agreement and the requirements for authorizing emissions units for use under CORSIA. It also helps countries access technical expertise and practical resources to participate effectively in carbon markets and implement Article 6.2 of the Paris Agreement.

While momentum is building in EEU issuance ahead of the 2027 CORSIA compliance deadline, significant work remains to ensure sufficient supply.

As of August 2026, 42 CORSIA-compatible Letters of Authorization covered 72 million EEUs, compared with 40 million at the start of the year.

A substantial gap exists to cover the estimated 200-250 million EEUs required for the initial compliance cycle.

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Category: Fuels

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