4 votes

Does greener flights mean a lot less affordable flights?

The fact is: nobody knows. Electric planes could be very useful for short distances. For long-distance flights, the battery cost investment is rather high, the weight of the plane increases rapidly (...
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1 vote

What Fraction of Sustainable Aviation Fuel (SAF) is Actually Used Cooking Oil? (Is this fraction itself sustainable?)

One of the main companies creating sustainable aviation fuel is Neste. They say here: https://www.neste.com/products/all-products/raw-materials/waste-and-residues#3f0293d6 ...that "In 2021, the ...
  • 4,312

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