25% of bread
>a water injection system
they've been playing around with water injection on gasoline engines for a very long time
the only thing different here is they are doing it on a hydrogen fueled engine
it's obtaining the hydrogen that is the challenge
clickbait trying to make it sound like the engine runs on water
it does not
>Changan provided support during the project, including the provision of three SUVs to enable fuel cell testing.
There's your problem.