Airport control tower operators monitoring aircraft refueling data, with ground staff supervising the operation on a tablet and a green urban landscape visible in the background.

Whitepaper

Scaling Sustainable Aviation Fuel with Integrity

26 Aug 2026

From SAF demand to credible climate impact

How carbon accounting, market mechanisms and traceability can support

Sustainable aviation fuel can deliver around 80% lifecycle CO2 reduction compared with conventional jet fuel on a well-to-wake basis, but scaling its impact requires more than supply. Credible Book & Claim systems, exclusive ownership of environmental attributes, interoperable registries and harmonized accounting rules are essential to translate SAF use into transparent Scope 1 and Scope 3 claims while preventing double counting.

To explore this topic in more detail, read Sustainable Aviation Fuels: From Mandate to Trusted Scale and learn more about the market, regulatory and traceability considerations shaping SAF adoption.

Sustainable Aviation Fuels

Sustainable aviation fuel lifecycle from feedstock to aircraft and customers, showing how Book & Claim systems, interoperable registries and harmonized accounting enable transparent Scope 1 and Scope 3 emissions reduction claims while preventing double counting

From SAF Use to Credible Carbon Claims

SAF can deliver substantial lifecycle emissions reductions, but turning that benefit into credible climate claims requires more than simply supplying or using the fuel. Across the aviation value chain, reductions must be measured on a well-to-wake basis, attributed to the right Scope 1 and Scope 3 actors and supported by exclusive ownership, traceable registries and consistent accounting rules. Robust Book & Claim mechanisms connect SAF use with verified environmental attributes while helping prevent double counting and strengthening trust in reported decarbonization outcomes.

SAF carbon accounting framework showing how lifecycle emissions reductions are quantified, converted into environmental attributes, digitally traced, allocated across Scope 1 and Scope 3 actors, and verified to prevent double counting

Trust is built when every SAF benefit has a verifiable path

Credible SAF accounting depends on more than measuring emissions reductions. The lifecycle benefit must be quantified, converted into certified environmental attributes, connected to fuel delivery and use, allocated to the appropriate Scope 1 or Scope 3 actor and supported by digital traceability before it can be reported with confidence. Connecting these steps creates the audit trail needed to prevent double counting, strengthen transparency and turn SAF participation into measurable, defensible climate outcomes.

What you will learn

How SAF reductions are accounted

Understand how well-to-wake lifecycle assessment connects SAF emissions reductions with Scope 1 and Scope 3 reporting across the aviation value chain

Why Book & Claim matters

Explore how Book & Claim and SAF certificates separate physical fuel use from environmental attributes while enabling participation where local SAF supply remains limited

How double counting is prevented

Learn why exclusive ownership, certificate retirement, time-matching, verification and clear attribution rules are critical to maintaining credible climate claims

What will enable SAF scale-up

See how policy, finance, corporate demand, digital traceability and more harmonized accounting standards must evolve together to build a trusted and scalable SAF market

Who it is for

Relevant for aviation and airfreight companies, corporate sustainability and procurement teams, logistics providers, investors, SAF market participants and professionals responsible for Scope 3 strategy, climate reporting and decarbonization programs

Access the full report to understand how SAF markets can scale with stronger accounting integrity and credible climate claims

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