From: nospam@127.0.0.1   
      
   JF Mezei  writes:   
      
   > On 2020-09-28 09:54, Peter Stickney wrote:   
   >   
   >> While we are better at handling it, Hydrogen's energy density (KCal /   
   >> Cubic M) is still poor. You can't get around that.   
   >> Basically, it takes at least 6 times the volume of Hydrogen to equal the   
   >> fuel value of a certain volume of Kerosene.   
   >   
   >   
   >   
   > The planes Airbus spoke about would be short range. So this signals they   
   > are aware of limit of how much effective fuel you can carry.   
      
   Why are they even bothering? Has this got something to do with carbon   
   emissions?   
      
   Dave   
      
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