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Re:How trains could replace planes in Europe by sudosysgen on Thursday November 11, 2021 @04:41PM (#29193558)
I agree that hydrogen in airplanes has some potential, though there are certainly issues - you need cryogenic cooling to avoid super heavy pressure vessels, and if it fails..., but there are similar fuels that could work.

As far as disruption, the issue is that there is no opportunity for competition. Countries are rabidly protectionist about their airplane industries, and any newcomer even with a completely superior product (See: Bombardier C-Series) will get absolutely destroyed by sanctions, tarrifs, or even secondary export controls (Gripen, Avro Arrow, etc...). You cannot succeed unless you are American, and even in America Boeing has massive undue influence.

Re:How trains could replace planes in Europe by rsj_hn on Thursday November 11, 2021 @04:56PM (#29193697)
All true. I do think there is a window to succeed in the U.S. In Europe it's just much harder to innovate more generally.

Also the SAFs are looking pretty good. Point is, I don't think we should decide that planes are bad of all sudden, that doesn't seem like a very wise thing to do given the massive benefits of air travel. Rail is also great but rail shines for cargo and large volume traffic between urban cores

Re:How trains could replace planes in Europe by hef19898 on Friday November 12, 2021 @01:33AM (#29196821)
One of the fields that isn't true is civilian aerospace. Innovation cycles are long, regardless of country, regulations are more or less the same. Nobody only certifies according to EASA or FAA, everyone does both. And with Airbus and Boeing forming a duopoloy on civilian aircraft, both sides have equal interest, and funding, for innovation.

Throw in all the current eVtol start-ups and I don't see that much difference between the US and Europe.