Aviation fuel from non-petroleum sources remains difficult to find and still far too expensive to bring about the de-carbonization of air travel, the world's major airlines said on June 6 at a conference in Brazil.

La production mondiale des carburants d’aviation durables devrait atteindre quelque 2,4 millions de tonnes en 2026.

Aviation fuel from non-petroleum sources remains difficult to find and still far too expensive to bring about the de-carbonization of air travel, the world's major airlines said…