Hydrogen fuel cells can be made to work, they're currently somewhat worse than lithium-ion batteries in terms of energy storage but it's not completely hopeless.
On the other hand, hydrogen combustion is an inefficient process that uses an astonishingly bulky, expensive fuel that needs to be compressed to absurd pressures and has no realistic use case - except to give petrolheads hope that things don't have to change and to kick the can down the road while continuing to burn fossil fuels. Check out this analysis:
This is not about German car companies like BMW, Volkswagen, and Mercedes being cut off from productive lines of inquiry. Those lines were only undertaken for show to allow them to continue business as usual. This is about them successfully bribing the German government to allow them to keep destroying the planet.
On the other hand, hydrogen combustion is an inefficient process that uses an astonishingly bulky, expensive fuel that needs to be compressed to absurd pressures and has no realistic use case - except to give petrolheads hope that things don't have to change and to kick the can down the road while continuing to burn fossil fuels. Check out this analysis:
https://www.youtube.com/watch?v=vJjKwSF9gT8
or the numerous sources cited.
This is not about German car companies like BMW, Volkswagen, and Mercedes being cut off from productive lines of inquiry. Those lines were only undertaken for show to allow them to continue business as usual. This is about them successfully bribing the German government to allow them to keep destroying the planet.