this post was submitted on 21 Sep 2023
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[–] [email protected] 23 points 1 year ago (1 children)

Fossil fuels are the dominant source of industrial hydrogen.[2] As of 2020, the majority of hydrogen (~95%) is produced by steam reforming of natural gas and other light hydrocarbons, partial oxidation of heavier hydrocarbons, and coal gasification.

https://en.wikipedia.org/wiki/Hydrogen_production

[–] [email protected] 5 points 1 year ago

That is irrelevant to the topic.

The reason why hydrogen is produced by steam reforming is because natural gas is cheap and is needed to produce ammonia. In Norway where there is plenty of cheap electricity from hydroelectric, there is hydrogen production via electrolysis.

The advantage of hydrogen as fuel is that can be used to decarbonise things like ships, and possibly things like branch rail lines, and planes. Passenger vehicle is probably the least attractive application, but somewhat lower capital investment than a green hydrogen plant on a industrial scale.

However this can only make sense if electricity is cheap i.e. if they are running with waste electricity from renewables.