Written Question·Department for Transport·UIN 96798

Aviation: Alternative Fuels

Tabled: 3 December 2025

Answered: 9 December 2025

Named Day

Question

Jerome Mayhew

To ask the Secretary of State for Transport, what assessment she has made of the impact of the Revenue Certainty Mechanism on the cost of Sustainable Aviation Fuel compared with conventional jet fuel.

Answer

Keir Mather

The Sustainable Aviation Fuel (SAF) Revenue Certainty Mechanism (RCM) aims to support the development of first-of-a-kind SAF plants and pave the way for lower cost UK SAF plants. The Government published a Cost Benefit Analysis for the SAF RCM in May 2025...

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