Railways are using the gas to clean up diesel routes. As predictable customers, they can help bring down the costs of green hydrogen for other sectors.

Alstom’s Coradia iLint hydrogen-powered trains have an electric engine that runs on a hydrogen fuel-cell and energy captured from braking.

For all the buzz about hydrogen trucks and planes, railways provide the most immediate test case for the rollout of a clean-energy technology that has electrified policy makers and markets alike.

Investors got very excited about the potential of hydrogen as a sustainable fuel last year, but have taken a breather in recent months—as they have with other speculative technology themes. The fact remains that, for many industries, so-called green hydrogen produced using renewable power needs about a decade of scaling up and rising…

https://www.wsj.com/amp/articles/hydrogen-powered-trains-have-arrived-11622025494