Question follow-through · 96798
Aviation: Alternative Fuels
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.
About this written question
A written question asks a government minister for information in writing. Parliament publishes the question and any answer.
- Answering body
- Department for Transport
- Tabled
- 3 Dec 2025
- Target answer date
- 9 Dec 2025
- Answer
- 9 Dec 2025 · 6 calendar days after tabling
Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.
More questions by this MP on Transport
- Motor Vehicles: Carbon Emissions · 15 Dec 2025
- Rolling Stock: South West · 16 Dec 2025
- Rolling Stock: South West · 16 Dec 2025
- Railways: Tickets · 6 Jan 2026
- Railways: Freight · 6 Jan 2026
Shared topic keywords suggest a connection; they do not establish a follow-up.
Votes on this topic
- Draft Climate Change Act 2008 (International Aviation and International Shipping) Regulations 2026 · 24 Jun 2026
These Commons divisions share a topic label. The question did not necessarily lead to a vote.
Recorded timeline
3 Dec 2025
Question tabled
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.
9 Dec 2025
Target answer date
Date supplied by the official written-questions record.
9 Dec 2025
Answer published
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...
Official data retrieved 28 Sept 2026.
Later records
Possible follow-up questions
Strong links require the same MP, department and exact heading. Other same-department questions are shown as unreviewed candidates, not as confirmed follow-ups. No debate link is asserted unless a stable source relationship exists.
Motor Vehicles: Carbon Emissions
15 Dec 2025 · To ask the Secretary of State for Transport, what proportion of the identified in the Government’s October 2023 cost-benefit analysis of the Zero Emission Vehicle Mandate represents costs to the public purse; and if she will publish a breakdown of those G
Rolling Stock: South West
16 Dec 2025 · To ask the Secretary of State for Transport, what steps she is taking to ensure that there are sufficient replacement trains in operation following the withdrawal of the Class 43 HST trains from services in the South West.
Rolling Stock: South West
16 Dec 2025 · To ask the Secretary of State for Transport, what steps she is taking to ensure that the withdrawal of the Class 43 HST trains from services in the South West does not result in severe disruption and cancellations.
Railways: Tickets
6 Jan 2026 · To ask the Secretary of State for Transport, what proportion of rail journeys used fully digital tickets in December 2025.
Railways: Freight
6 Jan 2026 · To ask the Secretary of State for Transport, what volume of rail freight in tonne-kilometres was moved in December 2025.
Railways: Government Assistance
6 Jan 2026 · To ask the Secretary of State for Transport, what estimate she has made of the level of net Government support to the rail sector per passenger journey in December 2025.
Department for Transport: Artificial Intelligence
12 Jan 2026 · To ask the Secretary of State for Transport, what assessment she has made of the net financial impact of its AI programme, including implementation costs, staff training, data preparation and ongoing system support, relative to the efficiency savings outl
Department for Transport: Location
12 Jan 2026 · To ask the Secretary of State for Transport, what the net savings are expected to be from rationalising the Department’s London estate and expanding its presence in Leeds and Birmingham, after accounting for relocation, refurbishment and dual-running cost
Department for Transport: Cost Effectiveness
12 Jan 2026 · To ask the Secretary of State for Transport, what proportion of the £663 million per year efficiency saving projected for 2028–29 has already been delivered; and what proportion remains uncontracted, unimplemented or subject to future business cases.
Electric Vehicles: Charging Points
16 Jan 2026 · To ask the Secretary of State for Transport, how many public electric vehicle chargepoints have been installed but are not operational due to electricity grid connections.
Electric Vehicles: Charging Points
16 Jan 2026 · To ask the Secretary of State for Transport, whether she plans to publish chargepoint reliability reports under the Public Chargepoint Regulations 2023 submitted by operators for 2025.
Electric Vehicles: Charging Points
16 Jan 2026 · To ask the Secretary of State for Transport, what proportion of public electric vehicle chargepoints required to meet the 2030 target will be delivered by the private sector.