hydrogen powered vehicles

What process was used on ships and in the field to produce hydrogen for observation/barrage/etc balloons?

Blue Spirit Rolls Out Its Prototype On June 10, Blue Spirit Aero rolled out its full-scale hydrogen-powered Dragonfly prototype and completed the world’s first H2 refueling of a light aircraft directly from an airport station in Le Mans, France, site of the famous 24-hour endurance car race...

Source: AEROSPACE Magazine, November 2024 Official website: https://seacheetah.com/

https://www3.nhk.or.jp/news/html/20240327/k10014404261000.html https://asia.nikkei.com/Business/Aerospace-Defense-Industries/Japan-to-take-another-shot-at-a-homegrown-airliner-eyeing-hydrogen Just one year after the official end to the failure that was MRJ, Japan is trying to start another...

https://www.flightglobal.com/engines/pandw-to-develop-novel-hydrogen-engine-in-us-government-backed-project/147635.article A P&W project, hydrogen burning, steam injected and intercooled engine envisioned to increase efficiency (single aisles 35%), evade (at least direct) carbon dioxide...

I think hydrogen for vehicles has a future. https://ngtnews.com/hyundai-motor-preps-xcient-fuel-cell-truck-for-global-production

Hi, here is a hydrogen-powered airliner Project,designed by BAC. L+K 15/1978

Mentions the E-Fan X project.

Drawing of EADS Innovation Works and Astrium Space Transportation zero emission hypersonic transport. Source: Warwick, Graham. "Transpacific in Two Hours, With No Emissions" Leading Edge 5/28/2010...

The E/S Orcelle, Wallenius Wilhelmsen's vision of a zero emission 10,000 vehicle RO/RO ship for the year 2025. http://www.ens-newswire.com/ens/apr2005/2005-04-06-03.asp

My biggest question regarding the Lockheed Suntan program is why they bothered investigating hydrogen turbojets in the first place. The best advantage I can think of was the ability to achieve the desired speed and range with an airframe that was much lighter than anything else in its size...