Green hydrogen, while expensive, holds promise for decarbonizing hard-to-abate industries like steelmaking and transportation due to its clean combustion. Researchers at the City University of Hong ...

Hydrogen, made from water that is still abundant on our planet and powered by solar or wind energy, seems to belong to a future imagined long ago in both science fiction and technological forecasting.

Hydrogen can be used in chemicals and as a green fuel. Vast underground stores could help make it an economical option. It might sound like something straight out of the 19th century, but one of the ...