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It will take until 2030 to reign in the current bout of hydrogen mania, embark on a real plan to eliminate the 2.3% of emissions currently caused by 94 Mt/year of grey & black hydrogen, and target its use on a few otherwise hard-to-decarbonise sectors. We are in the foothills. 1/
Let me be quite clear - we will need clean hydrogen. But fantasies of a hydrogen economy, hydrogen society and globally traded hydrogen market need to be abandoned. There will be a global market in ammonia, but mainly for fertilisers, chemicals, shipping fuel and some storage. 2/
Again, to be clear. The issue is not production cost. Learning curves mean green hydrogen will end up cheaper than grey. But nothing will change the physics and thermodynamics of hydrogen: low density; escapey; explodey; embrittley; NOx-producey if burnt; greenhouse gasey. 3/
