As the world continues to think in green, investors keep an eye on hot hydrogen stocks as part of their environmental, social, and governance (ESG) goals. The current market size is around $242 billion and some on Wall Street believe it could turn into as much as an$11.7 trillion market by 2050. Why? Hydrogen has the potential to be used as a clean, carbon-free fuel source and become an integral part of the green economy that the world aims to go. Hydrogen stocks have the potential to provide long-term val ...