Also, Hydrogen is notoriously hard to nail down in the sourcing - Green is great, blue not so much as it means there’s more fossil fuel production somewhere in it’s creation. This has led to Denmark pulling back on it’s investment in hydrogen infrastructure and closing it’s stations. https://www.hydrogeninsight.com/transport/hydrogen-vehicles-in-denmark-left-without-fuel-as-all-commercial-refuelling-stations-shuttered/2-1-1519914