3 ms·

Specific energy of hydrogen is 142 MJ/kg. Why not a hydrogen fuel cell powered electric jet?

• taneq 11y ago
  Because hydrogen is very hard to store in any reasonable size or shape, and that's even without focusing on the inefficiency of generating it.
  • jessaustin 11y ago
    Ammonia doesn't have this or several of the other drawbacks of hydrogen, but is otherwise equivalent.
• maaku 11y ago
  Drag on a bigger airframe.