This process produces "green hydrogen," which results in no carbon emissions. Green and blue are two of the many colors used to classify hydrogen by its production method and emissions profile.

Hydrogen is categorized into different "colors" based on its production method and environmental impact. Gray hydrogen is derived from methane gas, brown from coal, and blue involves pollution ...

Craig: So we talk about green hydrogen most. It's the fastest growing, but you have all these other colors of hydrogen that are competing and developing. Blue hydrogen is at a larger scale.

The way hydrogen is made has been color-coded, with hydrogen made from natural gas known as “gray” hydrogen and electrolysis powered by renewables known as “green” hydrogen. Renewable ...

Oman has allocated 50,000 square kilometres of land for hydrogen projects, ensuring both domestic supply and export ...