There's research on this: https://www.fraunhofer.de/en/press/research-news/2021/april-2021/green-hydrogen-transportation-in-the-natural-gas-grid.html https://ww

There's research on this: https://www.fraunhofer.de/en/press/research-news/2021/april-2021/green-hydrogen-transportation-in-the-natural-gas-grid.html https://www.fraunhofer.de/en/press/research-news/2021/april-...