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by JProthero 1715 days ago
> Finally, electric cars charge at ~96% efficiency, while hydrogen is something like 40%.

>> This claim has little substance and credibility.

The efficiency of hydrogen fuel cell vehicles versus battery vehicles is considered in some detail in this video [1]. The conclusion [2] is that, in the best case, the energy efficiency from power generation to road for existing or near future hydrogen fuel cell vehicles is about 25%, compared to about 65% for typical existing battery vehicles.

[1] https://www.youtube.com/watch?v=f7MzFfuNOtY

[2] https://www.youtube.com/watch?t=651&v=f7MzFfuNOtY