Green Hydrogen Market Overview The global green hydrogen market size was valued at $0.3 billion in 2020, and is projected to reach $9.8 billion by 2028, growing at a CAGR of 54.7% from 2021 to 2028. Some of the key players operating in the global green hydrogen market are Ballard Power Systems, Enapter, Engie, Green Hydrogen Systems, Hydrogenics, Nikola Motors, Plug Power, SGH2 Energy Global...