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this post was submitted on 11 Sep 2023
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Mildly Interesting
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No, planes are not more fuel efficient, even driving alone a car. The reason why it costs more to go by car is due to many reasons, especially the higher cost of fuel at petrol stations.
Yes, some light planes have fuel economy similar to efficient cars (which is very impressive considering how fast they are relative to cars). If you consider the advantages of direct, straight line routing, it's not hard for planes to do better on fuel economy.
We're not talking about jets here, though some of those do very well in mpg on a per passenger basis.