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Guidance

Voluntary schemes that can be used to support claims made under the RTFO and SAF Mandate

Schemes that can help to provide evidence of compliance with Renewable Transport Fuel Obligation (RTFO) and Sustainable Aviation Fuel (SAF) Mandate criteria.

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Where appropriate, renewable fuel suppliers can use voluntary schemes to provide evidence to support claims that relevant fuel complies with the required sustainability criteria.

The voluntary schemes listed have been evaluated against the RTFO criteria.  Suppliers may also use voluntary scheme evidence to support sustainability claims under the SAF Mandate, but noting the specific requirement criteria of the SAF Mandate to provide actual value greenhouse gas (GHG) calculations.

Using voluntary schemes for evidence within certificate applications will not guarantee the issuing of that certificate, the administrator reserves the right to request more information when necessary.

Further information on evidence requirements for the RTFO and the recognition process for voluntary schemes is available.

Contact us 

Send queries to the Department for Transport’ Low Carbon Fuels Delivery Unit at:  

Updates to this page

Published 19 December 2024
Last updated 27 November 2025 Show all updates
  1. List of voluntary schemes updated.

  2. First published.

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