Comments by "" (@TheDavidlloydjones) on "Found And Explained" channel.

  1. Most hydrogen is separated out from methane -- a petrochemical. I.e. they're lying about going post-petrochemical by 2035.
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  2. I have an idea: they might have put propeller-blades on at an angle instead of parallel to the air-flow, as shown. That would have made them produce some propulsion by pushing the air backwards, see?
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