Greg Smith

Greg Smith

Conservative — Mid Buckinghamshire

Speaking in the House of Commons on 3 March 2026

Debate

Sustainable Aviation Fuel Bill

Contribution

Thank you, Madam Deputy Speaker. I could not have asked for a better birthday treat than to debate this issue with the Minister and with everyone else who has shown such a huge interest in the Bill this afternoon. When the Bill first came before the House, the Conservatives were clear that we support the innovation that underpins sustainable aviation fuel. Aviation matters enormously to this country: for families, for trade, for connectivity and for our standing as a global hub. The challenge has never been whether to decarbonise aviation, but how we do so without damaging competitiveness or pricing ordinary passengers out of flying. From the very beginning, we set a clear test. If the British public are underwriting a revenue certainty mechanism, whether directly or through levies that will inevitably feed into ticket prices, the economic benefit must remain here in the United Kingdom. That was not an afterthought. It was not something we discovered halfway through the Bill’s passage; it was one of the central arguments we advanced from day one. Throughout Committee and on Report, I pressed Ministers on how the contracts would work in practice. How would domestic production be prioritised? How would we prevent a scenario where fuel was largely produced overseas, given minimal processing here and then rebadged as British simply to qualify for support? Without clarity, that risk was real. My noble Friend Lord Grayling brought that concern into sharp focus in the other place. His amendment made the principle explicit: if sustainable aviation fuel is to receive support under a revenue certainty contract, it must genuinely be British. He made the point clearly: we cannot design a system that can be gamed. We cannot allow mostly complete fuel to be shipped here, polished up a bit, and then presented as a domestic product. That would not be an industrial strategy; it would be box-ticking with a Union Jack on it. What has happened since? The Government tabled Lords amendments 1, 2 and 4, restricting revenue certainty contracts to UK-produced sustainable aviation fuel. That principle was not explicit in the Bill, as introduced. It is explicit now and I genuinely welcome that. That change, however, did not appear out of thin air. It followed sustained pressure from those of us on the Conservative Benches here and in the other place. It was Conservatives who identified the gap, made the case and tabled the original amendments. I am grateful that the Government have now listened and moved. Of course, the detail matters. The definition of “UK-produced” refers to any part of the process of converting feedstock into fuel taking place in the United Kingdom. That must not become a loophole wide enough to taxi an A380 through. The intention is clear: real production, real value added and real jobs here. We will ensure that the practical application reflects that intention. There is also a broader point to the amendments, which speaks to capability. The United Kingdom has genuine strengths in synthetic fuel and e-SAF. We have companies demonstrating 100% synthetic flight, developed right here in the United Kingdom. We have world-class engineers and researchers. We have the technical expertise to lead. What we should not have are British passengers ultimately bearing the costs while overseas producers capture the opportunity. Now is not the time to relitigate the plus or minus £1.50 on fares argument we had in previous stages, but for the record I say that the Opposition are watching closely. Will the Minister confirm that the Government are assured that the non-HEFA—non-hydroprocessed esters and fatty acids—requirements contained in the mandate will be met by industry at no more than the same cost to the passenger?

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