Numbers and assumptions are all over the place.

Also love how you're harping on the number of solar panels and grid infrastructure needed... while completely ignoring the fact that we have practically no hydrogen infrastructure whatsoever.

No "green" production plants. No pipelines. No distribution system. No local "gas" stations.

Have you considered the amount of power, steel and everything else that would be needed to build H2 up to an "industrial scale"???

It makes simple electrification look picayune in comparison...