Over the last two years, there has been a lot of excitement, accompanied by cynicism, about low-carbon hydrogen. The excitement has been spurred by increased focus on climate change along with sharp reductions in the cost of renewable energy over the last decade, which is a major cost driver of green hydrogen. The cynicism stems from the fact that low-carbon hydrogen costs much more when compared with alternative high carbon fuels (nearly two times as expensive), and that makes the case for investment less compelling. Against this backdrop.