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4AIR launches Assure SAF Registry to track, validate sustainable aviation fuel



4AIR, which helps companies offset their emissions, use sustainable aviation fuel (SAF) and drive technological change, announced May 22 the launch of its Assure SAF Registry, a blockchain-based web registry designed to document, trace and account for the sustainability attributes of SAF.





The Assure SAF Registry provides complete transparency about the type of SAF purchased, feedstock used, blend of the fuel and any sustainability certifications earned or regulatory programs for which the fuel may be eligible.





The registry is designed for both physical and book-and-claim supply chains of SAF and will simplify inventory accounting and prevent double-counting of benefits—all while protecting suppliers’ commercially sensitive and confidential data.





By uniquely addressing SAF tracking needs for fuel suppliers, FBOs, airlines and operators within the physical supply chain, the registry can unlock the opportunity for a robust book-and-claim tracking system as well.





“Most SAF today comes from one to two different feedstocks with a narrow range of blends,” said Kennedy Ricci, president of 4AIR. “As SAF expands to new feedstocks and higher blends, transparency about the fuel and where it came from will be critical in efforts to scale its use across the industry, including both business and commercial aviation. Assure SAF Registry will provide a key piece of infrastructure for the transparent scale-up of SAF in aviation, providing transparency to emission claims around SAF while maximizing the value for the operator.”





Leveraging the expertise gained through the documentation of 5.8 million gallons of SAF over the past two years, 4AIR created a registry that addresses the most challenging pain points found when tracing the usage of SAF.





Usually, SAF is comingled in airport pipelines or fuel farms under mass-balance or book-and-claim chains of custody, making it laborious to document, particularly when trying to retain information for regulatory claims from the use of the fuel.





The Assure SAF Registry serializes each unit of fuel and is linked to a specific owner and batch of SAF.





This ensures that only one owner can ever claim a specific quantity of fuel and that sustainability characteristics are consistently and accurately communicated through various owners, providing confidence in the ownership and emissions accounting up and down the SAF supply chain.





Pilot programs will help the platform to automate integrations with supplier systems, eliminating the need for much of the manual reporting and accounting.





In addition, a pilot program with the Roundtable on Sustainable Biomaterials will seek recognition within the RSB book-and-claim system and work towards ecosystem harmonization and a credible claim for customers.

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