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 ...

The international dialogue about climate change and the “net zero” world now includes a focus on hydrogen as an abundant source of energy useful in myriad ways (refining, fertilizer production, motive ...

Japan is pushing solar hydrogen into a new phase by teaching its materials to drink in colors of sunlight that used to go to waste. Instead of relying only on the most energetic visible wavelengths, ...