Idéalement, l'hydrogène devrait provenir d'une source qui utilise de l'eau, qui recycle les catalyseurs et qui utilise la chaleur résiduelle, de sorte que l'hydrogène est produit de façon durable, comme on le conçoit au XXI siècle.
Ideally, hydrogen would have to come from a process that would use water, that would recycle catalysts and that would use waste heat, so that basically you are able to produce hydrogen in a sustainable way, in a way that we would want to produce it in the 21st century.