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Air New Zealand becomes first major carrier to drop climate goal (www.bbc.com)

submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]

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Air New Zealand has abandoned a 2030 goal to cut its carbon emissions, blaming difficulties securing more efficient planes and sustainable jet fuel.

The move makes it the first major carrier to back away from such a climate target.

The airline added it is working on a new short-term target and it remains committed to an industry-wide goal of achieving net zero emissions by 2050.

The aviation industry is estimated to produce around 2% of global carbon dioxide emissions, which airlines have been trying to reduce with measures including replacing older aircraft and using fuel from renewable sources.

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[–] [email protected] 1 points 3 months ago

An airliner is not an F1 car though, that's a jet fighter. All I'm saying is that I think if Ryanair could get a plane that would eat less fuel but take twice as long to make a trip, they would jump at it. The Concorde shows exactly that, while some airlines might want the prestige, mostly they just want to provide the cheapest service they can get away with.

And, not insignificantly, my small propeller airplane has a lower fuel consumption per passenger per mile than the airliners do, despite the latter flying higher and faster… What is the reason of that?

Are you carrying enough fuel while doing that to do a trans-Atlantic flight? Airliners do. Can you fly over the troposphere to avoid significant weather that, beyond having people throw up, would have planes divert and use a lot more fuel as well? Airliners can. There are other reasons, of course, but these are just off the top of my head. All that said, of course fuel efficiency is but one of the things airliners are optimized for, and there are other concerns, but speed is not really one of them for the sake of it.