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Re:Hydrogen fuel cell cars (2020) by nickik on Monday July 05, 2021 @12:35PM (#27739633)
Its a fantasy to believe that anybody would install such and absurd amount of access wind and solar that it could both cover the low production times and enough to export for use in vehicles.

That simply not economical.

In fact several technologies are more likely to be used then hydrogen for grid storage.

Re:Hydrogen fuel cell cars (2020) by clouddrover on Monday July 05, 2021 @05:29PM (#27741993)
> Its a fantasy to believe that anybody would install such and absurd amount of access wind and solar

Fantasy becomes reality:

https://www.bbc.com/future/article/20190327-the-tiny-islands...

https://www.bbc.com/news/uk-scotland-highlands-islands-56279...

Re:Hydrogen fuel cell cars (2020) by natmaka on Tuesday July 06, 2021 @12:56AM (#27744373)
This would indeed be ambitious, however when considering that it is possible (the primary sources potential is adequate), that it will solve problems related to fuel reserves, and also a fair part of challenges related to NIMBY, overcentralization, capital intensity, pollution, waste disposal, decommission... it may (overall) be our best approach.

I was writing about a less ambitious plan, which simply aims at storing the energy produced by solar/wind powerplants during peak production periods.