Researchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, using sunlight as the power source.
To your comparison: Hydrogen only releases water if burned.
And getting CO2 out of air is very resource intensive and we need to pull a lot CO2 out, if the air to get back to “normal” levels. We can not afford to put any CO2 back into the atmosphere, after the hard work getting it out.
Hydrogen fuel isn’t really renewable, even if the PR agents of companies creating it tell so.
Edit: at fact check, I found this, maybe there is a way after all:
https://youtu.be/ISuUlc8widc
To your comparison: Hydrogen only releases water if burned.
And getting CO2 out of air is very resource intensive and we need to pull a lot CO2 out, if the air to get back to “normal” levels. We can not afford to put any CO2 back into the atmosphere, after the hard work getting it out.