Question to the HM Treasury:

To ask the Chancellor of the Exchequer, whether he has made an assessment of the potential merits of utilising UK Emissions Trading Scheme revenues from aviation to fund UK-based sustainable aviation fuel production.

Widespread hypothecation of tax revenues can undermine the government’s ability to flexibly manage the public finances.

Receipts from the ETS are used to fund the Net Zero transition, and public services more broadly, across the UK.

The UK’s SAF programme is one of the most comprehensive in the world. We are stimulating demand through our ambitious SAF mandate and are continuing to invest in domestic production to boost domestic supply and help to overcome the investment barrier of proving the technology at commercial scale.