Whilst synthetic fuels can be expensive and energy intensive to manufacture, they have the potential to contribute to the decarbonisation of transport sectors where there are limited alternatives, such as in aviation. In recognition of the potential benefits of synthetic fuels produced using renewable power, these fuels are eligible for support under the Renewable Transport Fuel Obligation (RTFO) certificate trading scheme. Power-to-liquid (PtL) synthetic fuels will benefit from a specific target in the Department’s forthcoming Sustainable Aviation Fuel (SAF) mandate scheme to accelerate their commercial advancement.