Question to the Department for Transport:

To ask the Secretary of State for Transport, with reference to the Aerospace Technology Institute Fly Zero project, what assessment his Department has made of the implications for its policies of the use of hydrogen in long haul aviation.

The conclusions made by the FlyZero project were used to inform the Government’s Jet Zero Strategy, which was published in July 2022, and sets out the Government’s approach to achieving net zero 2050 for UK aviation. The use of hydrogen is considered in the Zero Emission Flight chapter of the Strategy.

The Strategy anticipates that hydrogen will be first deployed in short haul aviation with recognised uncertainty on the potential for and timing of its scaling up for use in long haul. As with all measures in the Jet Zero Strategy the Government keeps the evidence base under regular review and any changes will be reflected in future updates to the Strategy.

Building on the recommendations of the FlyZero project, the Government, through the Department for Business and Trade, are funding the initial phase of a Hydrogen Capability Network. This project aims to define the operating model for open-access facilities designed to accelerate the development of liquid hydrogen aircraft technologies, capabilities, and skills in the UK.

The Government continues its work with industry and academia through the Jet Zero Council to drive the delivery of new technologies and innovative ways to cut aviation emissions. In 2022 a Delivery Group of the Council was established on Zero Emission Flight, which considers the use of hydrogen in meeting net zero aviation by 2050.