this post was submitted on 13 Nov 2023
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https://insideevs.com/news/332584/efficiency-compared-battery-electric-73-hydrogen-22-ice-13/
according to this website, hydrogen ICEs are very inefficient. same with fuel cell vehicles. the main losses come from converting the hydrogen into and out of electricity. but if said electicity is generated in abundance with renewable energy at a cheap price, this could really be something.
edit: you can't really burn electricity, so as a car enthusiast i really hope hydrogen ICEs become a thing.
BEVs are a lot of fun to drive. Car people are nostalgic for burning fuels and roaring engines, but future generations will be far less so. We just need far lighter batteries.
I was specifically talking about cars that are fun to drive. The one thing I dislike about my BEV is that it's so heavy.
Personally I don't think hydrogen is the way for most personal vehicle applications. Batteries are improving a lot and becoming quite a bit cheaper too. Also many large car makers have gone the EV route and they are king makers. But who cares, the better technology will probably win out.
Efficiency still matters significantly with hydrogen solar panels, because solar panels aren't free.
Suppose solar to wheel is 60% efficient in a battery electric vehicle, but 30% efficient in a hydrogen vehicle. You need half as many solar panels to power the battery electric vehicle, and spend at most half as much to charge it. That matters.