The board of directors of Universal Hydrogen has decided to liquidate the company after failing to secure additional funding and unsuccessful attempts to sell the business.
The two companies are jointly developing a zero-emission engine, which could even be retrofitted.
The project will benefit from the achievements in fuel cells of ZeroAvia, the UK-US leader in hydrogen propulsion, and the Japanese subsidiary of Mitsubishi, the largest maintenance organisation in the CRJ family, will share its expertise in aircraft design, certification and customer support.
The European aircraft manufacturer promises to introduce hydrogen as a fuel for regional aviation by 2035, but does not expect the technology to be widely adopted by mid-century.
A British company, Intelligent Energy, claims that its development is radically transforming drone technology.