1. Can Hydrogen Become Part of the Climate Solution?
https://energy.mit.edu/news/can-hydrogen-become-part-of-the-climate-solution/
2. Incentives and Legal Barriers for Power-to-Hydrogen pathwAys: An International Snapshot
https://www.sciencedirect.com/science/article/pii/S0360319919309693
3. Hydrogen: Deployment Barriers
https://www.thechemicalengineer.com/features/hydrogen-deployment-barriers/
4. Hydrogen Pipelines
https://www.energy.gov/eere/fuelcells/hydrogen-pipelines
5. Hydrogen Cars, Fuel Cells, etc.: What You Need to Know
https://www.bmw.com/en/innovation/how-hydrogen-fuel-cell-cars-work.html