"The amount of Energy loss from a power grid stretching from SW Arizona to Nashua would lose much more energy than a H2 pipeline would."
I think we need to see the actual numbers here. What percentage of energy is lost in each method of transmission? What percentage is lost in the electrolysis? What percentage in the fuel cells?
And, BTW, how much energy does it take to make a solar cell, and how does that compare to its energy output over its lifetime? And what is the average lifetime of a solar cell, anyway?
The dollar costs would need to be quantified and compared, too.
These are questions that would need to be answered in order to determine if it would be a good idea.
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