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Victoria warned against ‘very inefficient’ hydrogen buses after trial announced
(www.theguardian.com)
this post was submitted on 24 Nov 2023
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Theyre not wrong. Gray Hydrogen is made from methane through a process called hydrocracking. This requires that methane and water be heated together to over 1,000 degress celsius in the presence of suitable catalysts to convert methane and water into hydrogen, carbon monoxide and carbon dioxide. It requires a lot of energy and can not convert all of the potential energy of the methane into hydrogen. The only saving grace is that hydrogen can be consumed in fuel cells generating electricity at high efficiency. But that doesnt really make up for the production process or difficulty of storage.
Whhhhhhhy? Just why?
Like esp with hydrogen embrittlement. You are better off just burning the methane (not that I advocate this either, use green hydrogen or fuck off tbh)
That is the point the article and I were making yes.