Written Question·Ministry of Defence·UIN 110897

Air Force: Alternative Fuels

Tabled: 4 February 2026

Answered: 12 February 2026

Question

Mr Richard Holden

To ask the Secretary of State for Defence, what estimate he has made of the additional cost to the public purse of the Royal Air Force transitioning to 100 per cent sustainable aviation fuel by 2040; and whether his Department has undertaken any assessmen

Answer

Luke Pollard

The Royal Air Force (RAF) procures its aviation fuel in the UK from commercial suppliers at market rates. As a result, this makes accurate long-term cost forecasting challenging. The price of aviation fuel, including Sustainable Aviation Fuel (SAF), is su...

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