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submitted 10 months ago by [email protected] to c/[email protected]

Using sustainable aviation fuels could reduce emissions by up to 80%, scientists find::A team of scientists have completed tests to quantify the emissions from the combustion of sustainable aviation fuels, revealing a profound reduction when compared to regular jet fuel.Researchers from the National Centre for Atmospheric Science (NCAS), including those from The University of Manchester, compared standard jet fuels with several di...

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[-] [email protected] 47 points 10 months ago

This is a huuuge load of crap. Nowhere does this clearly say that CO2 emissions are cut by 80%, just "ultrafine black carbon" which is a pollutant more than a greenhouse gas. Aviations worst impact is by far the greenhouse gases.

The "sustainable fuel" that is so mysteriously alluded to, turns out to be made from "renewable biomass". Plant-basid fuels have been around for a while, usually as a greenwashing stunt by industries that consume a lot of fossil fuels. The amount of farmland needed to produce even a small fraction of what's needed in aviation is astronomical. Approaching 9 billion eaters, we can't afford to make food vs fuel a debate (again).

This whole article reads like it was written by the aviation company that paid for the research in the first place. This isn't science, it's propaganda.

[-] [email protected] 2 points 10 months ago* (last edited 10 months ago)

Even if this was true, that wouldn't lead to less emissions but just more flights.

As we can see, every time the efficiency increases, the flight price drops, and the number of flights increases. So, it just allows us to fly more for the same amount of C02.

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this post was submitted on 27 Oct 2023
108 points (85.1% liked)

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