Twelve colors and counting. The terminology associated with hydrogen—specifically, the use of color descriptors such as green, blue and gray—has become widespread in discussions about renewable energy ...
Green hydrogen is made by using clean electricity from renewable energy technologies to electrolyse water (H2O), separating the hydrogen atom within it from its molecular twin oxygen. The Russian ...
Japan is pushing solar hydrogen into a new phase by teaching its materials to drink in colors of sunlight that used to go to ...