It seems that the low efficiency when using hydrogen in an internal combustion engine, combined with it's low energy density, makes it unlikely to be viable for

It seems that the low efficiency when using hydrogen in an internal combustion engine, combined with it's low energy density, makes it unlikely to be viable for mainstream vehicles. https://evcentral.com.au/why-burning-hydrogen-in-an-ice-is-an-awful-idea/ https://evcentral.com.au/why-burning-hydrogen-in-an-ice-is-a...