Hydrogen is a chemical element with the symbol H and atomic number 1. It is the lightest and most abundant element in the universe, and it can be found in a variety of forms, including gas, liquid, or solid.
In the context of the energy transition, hydrogen is of particular interest as a potential low-carbon energy carrier. When hydrogen is burned, it produces only water vapor, making it a clean-burning fuel. Additionally, hydrogen can be produced from a variety of sources, including natural gas, biomass, and water through a process called electrolysis, which uses electricity to split water into hydrogen and oxygen.
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