RSB New Application Study: The Additionality Approach for the Book & Claim System – Regulatory transparency in the Brazilian Context
How RSB’s Book & Claim Framework Unlocks Brazil’s First-Mover Advantage in SAF Certificate Markets
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The intersection between regulatory compliance and voluntary markets is one of the most critical challenges for scaling SAF. As both systems increasingly draw from the same production base, ensuring credibility and avoiding double counting becomes essential.
In this context, the concept of additionality becomes particularly important. An essential aspect of additionality in Book and Claim systems is avoiding double counting and double claiming of the same environmental benefit. As multiple actors and programs may interact within a single fuel supply chain, including airlines, traders, and corporate buyers, robust rules and clear traceability are required to ensure that the emissions reduction associated with a given batch of SAF is accounted for only once.
The regulatory additionality refers to whether a given SAF has already been used to meet a government-backed policy, mandate, or incentive, and therefore whether its associated climate benefit has already contributed to a regulatory objective. Rather than restricting the use of such fuel, the concept focuses on transparency, clearly identifying the policy context associated with each SAF claim.
RSB’s new Application Study explores how a structured Regulatory Additionality approach can provide clarity and transparency across different market uses in Brazil, which is the first country in the world to explicitly allow SAF certificates, via Book and Claim, to be used for domestic compliance under a national aviation mandate. Rather than restricting participation, the additionality approach enables stakeholders to better understand the policy context behind each SAF claim.
RSB’s new Application Study examines precisely that: how the RSB Regulatory Additionality Framework, as defined in the RSB Book and Claim Manual (Version 4.2), can be applied within the Brazilian context, using hypothetical scenarios, to ensure high-integrity sustainability certificates across both compliance and voluntary markets.
DOWNLOAD THE RSB APPLICATION STUDY
RSB extends its appreciation to Airbus for funding this important work, and to the diverse group of Brazilian stakeholders who contributed insights, expertise, and technical validation throughout the development of this study.
To know more about this Application Study, please contact [email protected].
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