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submitted 1 year ago by fne8w2ah@lemmy.world to c/world@lemmy.world
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[-] Honytawk@lemmy.zip 58 points 1 year ago

It isn't going to overtake electric cars, too inefficient.

But it might be the future for airplanes, which need a lot more energy density.

[-] n2burns@lemmy.ca 43 points 1 year ago

But it might be the future for airplanes, which need a lot more energy density.

Specifically density by weight. By volume, which is more important to cars, hydrogen also loses.

[-] joel_feila@lemmy.world 5 points 1 year ago

Yes also cargo ships and possibly American sized semi trucks. Although semis are right on border of battety vs hydrogen.

[-] PersnickityPenguin@lemm.ee 1 points 1 year ago

"American sized?"

There are semis all over the world...

[-] joel_feila@lemmy.world 1 points 1 year ago

Yean but aren't the trucks in america large. I have seen memes making fun american semi compared to smaller loris.

[-] PersnickityPenguin@lemm.ee 2 points 1 year ago

The trucks in Japan and Europe honestly seemed just as large, albeit the can be were shorter. But then there is Canada and Mexico which trucks are identical.

[-] PersnickityPenguin@lemm.ee 1 points 1 year ago

The problem with long distance airliners though is that the turbofan powered engine has such a huge power output that is only possible using a turbine.

this post was submitted on 21 Sep 2023
270 points (100.0% liked)

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