[8][9] By 2024, however, up to two thirds of the Fastway Hydroliner fleet were not being used in regular service due to the Health and Safety Executive not signing off on a liquid hydrogen fuelling system at Metrobus' Crawley depot.

A first batch of 31 Hydroliner FCEVs were delivered to Cologne municipal operator Regionalverkehr Köln [de] during 2024, Wrightbus' first European order since the bus builder was rescued from bankruptcy,[13] with an additional 29 due for delivery in 2025.

[18] In May 2022, Wrightbus entered a deal to supply the Australian bodybuilder Volgren with two GB Kite Hydroliner FCEV chassis for the company to body.

[25] Further orders for GB Kite Electroliner BEVs have been made by First Eastern Counties for services in Norwich,[26][27] while 18 more are also due for delivery to First Leicester in 2024.

[30][31] These buses began entering service in the city in August 2023 after the installation of charging infrastructure and training of staff at the Foyle Metro depot.