Originally Posted by
Nor
One comment to the article states that because hydrogen is less energy dense than diesel the current 600 litre tank (about 0.6 cubic metres if my arithmetic is right) would need to be replaced by a 5 cubic metre hydrogen tank for equivalent energy, even at 10,000 psi pressure.
As well as bulky this would probably be enormously heavy even when empty, based on my limited knowledge of gas bottles. And hydrogen is very combustible, nevermind the pressure as well.
Is hydrogen for trucks really just a nice idea but impractical?