this post was submitted on 29 Sep 2024
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it's the least efficient method we currently have of storing electricity. and it's only zero emission if you use a fuel cell
The single advantage hydrogen has over batteries is that the "refueling" is pretty much instantaneous. If charging infrastructure and technology improves, there will be no reason to bother with it anymore.
IIRC, pumping hydrogen is only fast if the pump has a substantial rest between vehicles. Get a line of FCEVs wanting filled and you're looking at filling times not much faster than charging a battery EV.
From what I understand it's transported in liquid form over long distances (across the ocean for example) but then it's transported/stores in gaseous form.