Hydrogen pipelines are a solved problem. We have been doing it for decades[1]. I could have said "stuck in 1930" but that might be overdoing it. [1] https://en

Hydrogen pipelines are a solved problem. We have been doing it for decades[1]. I could have said "stuck in 1930" but that might be overdoing it. [1] https://en.wikipedia.org/wiki/Hydrogen_pipeline_transport https://en.wikipedia.org/wiki/Hydrogen_pipeline_transport