This is a fairly comprehensive critique of energy efficiencies of hydrogen versus battery electric.
Sure, battery electric appears more efficient, but they are using grid electricity, not solar panels or wind turbines.
Believe me, I've studied the topic. The best combination in terms of efficiency might well be nuclear and battery electric. But battery electric has its issues as well. It's too darned heavy and too darned slow to charge. The author is probably a bit biased in favor of battery electric.
Note: There is a plug on the video for skillshare. That is an interesting idea in itself.
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