Toyota UK has successfully completed a demonstration fleet of 10 hydrogen fuel-cell prototypes based on the Hilux pickup, utilizing components from the Mirai sedan. The project, initiated in 2023, showcased a rapid prototype construction process with the first vehicle finished within three weeks. The prototypes, equipped with three high-pressure hydrogen fuel tanks, boast an impressive range of 365 miles, surpassing comparable battery-electric trucks. Toyota's commitment to hydrogen fuel-cell technology aligns with its vision of a future where electric vehicles (EVs) and fuel-cell electric vehicles (FCEVs) coexist. The company, along with other automakers, sees potential in commercializing hydrogen fuel-cell powertrains, particularly in the European market. While Toyota's hydrogen truck project demonstrates technological advancements and potential for commercial use, concerns remain regarding infrastructure development and market adoption. The viability of hydrogen vehicles, including the hydrogen Hilux, in commercial fleets is being evaluated, with a focus on industries like mining that may benefit from on-site hydrogen production stations. Despite the optimism surrounding hydrogen technology, challenges persist in widespread adoption, especially in regions with limited hydrogen infrastructure. Toyota's ongoing research and development efforts aim to overcome these obstacles by improving fuel cell technology, enhancing vehicle range, and reducing production costs. As the automotive industry navigates the transition toward zero-emission vehicles (ZEVs), the future of hydrogen fuel-cell trucks remains uncertain. While Toyota continues to explore hydrogen as a viable alternative, the emergence of battery-electric vehicles poses a competitive landscape for the market. The evolution of hydrogen vehicles and their acceptance in the US market will depend on infrastructure development, industry demand, and technological advancements.