Every mode of transportation is considering hydrogen and hydrogen-based fuels such as e-methanol to decarbonize freight. But there is debate about whether hydrogen needs to be green right away or if the industry should use blue hydrogen until the cost of green hydrogen becomes more economical.
Green hydrogen is produced using renewable electricity that powers electrolyzers to split water into hydrogen and oxygen. Blue hydrogen is produced using natural gas reformation, but its carbon dioxide...
https://www.freightwaves.com/news/could-blue-hydrogen-accelerate-transition-to-green