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earthman34 t1_j57om5k wrote

Reply to comment by -The_Blazer- in The race to make diesel engines run on hydrogen by FDuquesne

Who's "projecting" this? I don't believe you can pack enough hydrogen into an airliner to equal the range available from jet fuel...not to mention the tanks would be massively heavy.

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-The_Blazer- t1_j57p7yi wrote

Well, Airbus has a large hydrogen program going right now. You can pack enough hydrogen or methane if you make the plane physically larger (which is why a lot of concepts are either flying wings or have a "hump"), and unfortunately there isn't really another way to make airliners CO2-neutral until we invent some really good synthetic fuels or improve batteries 10x.

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