there will never, I repeat NEVER be a hydrogen economy as touted by many idiot governments like Germany, or Australia for that matter, with hydrogen being shipped all over the world, it won't be used as a fuel in either cars or airplanes on a mass scale, all will be electrified as this is the only way it makes sense
having said that, H2 has its applications in industry or steel making and you have a choice there, either waste enormous amounts of energy and water to produce hydrogen or you use a method to produce it as clean, with a footprint as small as possible, you have arrived at one of the most of simple technologies: HAZER
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