> Conventional wisdom has long held that battery power is infeasible for ocean shipping. There was an article on HN a while back about using lifting gas (speci

> Conventional wisdom has long held that battery power is infeasible for ocean shipping. There was an article on HN a while back about using lifting gas (specifically blimps) as a way to reduce shipping costs. I naively wonder how feasible it is to at least lighten the load of ships using hydrogen gas? https://www.thecgo.org/benchmark/bring-back-hydrogen-lifting-gas/ https://www.thecgo.org/benchmark/bring-back-hydrogen-lifting...