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isn't the real issue the space is limited because jet fuel is too expensive? Both in dollars to get it and cost to planet earth. Seems like the space available for seats per dollar spent will get much better with EPA or NPA (https://news.ycombinator.com/item?id=21436838) and NPA with the stuff happening at places like https://terrapower.com/ seems very promising.

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I once worked with someone who was perviously a consultant to a large airline and they dropped the size of their inflight magazine ~20 years ago to save weight and then were amongst the first airlines to drop it all together for the same reason

They figured out the $ they would save p.a with every change of page length, paper weight, etc. (it was partially offset by advertisers and onboard sales but not enough)

I can't recall the exact numbers but they were significant enough to warrant expensive external suits who eat their lunches at their desks doing the calculations and going ahead with it

There are listicles with these kinds of stats every now and then (and I’m usually a sucker for them), like this one: https://www.traveller.com.au/airline-weight-reduction-to-sav...

Scaling any kind of issue changes things dramatically.

thanks, appreciated this article more than the parent.

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