The UK government plans a massive shift to using hydrogen as a fuel in vehicles. The crucial issue is how to produce that hydrogen.

The inconvenience of making hydrogen by electrolysis is that it takes a big investment. We can be sure that the Tories will try to use "blue" hydrogen as much as possible, as an excuse to include fossil fuel despite pledges to decarbonize.

My opinion is, if survival of civilization requires this investment, we must do it.