"If you are interested in taking the thing on a little shakedown cruise," Fahd bin Talal went on, "I would draw Your Royal Highness’s attention to the Line. It is just within range from here, and as part of the kingdom’s commitment to decarbonization, we have, as a matter of course, equipped the airport with state-of-the-art facilities for the storage and delivery of hydrogen. It is easily the most hydrogen-friendly air terminal in the world today."