this post was submitted on 09 Nov 2023
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BASF can do it, have been able to for ages, they're switching their feed stocks around depending on price point and push come to shove they could run on nothing but literal potatoes. The Ukraine war was a bit of an extreme situation for them because their piping wasn't set up for a massive drop in gas availability but they were able to cut consumption by IIRC 60% without affecting production rates.
Steel smelters will have to be rebuilt completely to run on hydrogen and side note it's more efficient to turn electricity into hydrogen and then smelt than to try and reduce with electricity directly. All of that costs money but by this point it ain't exactly rocket science.
...and it's certainly going to be cheaper than mitigating ever more extreme weather events.