Jim Higgins wrote:

...
Please explain your assessment of the major economic/energy/storage
importance of the device if it isn't over-unity or even unity. Please
take as many screens as you need to fully enlighten the dense ones
among us.

Geesh, no wonder you are always appearing to stumble about ...

1) Geothermal, river current, wave, solar, wind could be used to
generate automobile/home fuel in off peak hours. (or, for that matter,
just developed for the sole purpose of fuel)

2) The cost, replacement cost, maintaince of batteries would be eliminated.

3) There is no loss in transporting hydrogen via pipelines versus
electricity and powerline loss.

If you need more, you have no visualization skills at all ...

JS