The EU bureaucrats' idea of "saving the climate" by doing away with small handheld CO2-base fire extinguishers is worse than asinine -- I can only think of it as a kind of eco-terrorism that will surely backfire
Firefighting used to be simple. In the olden days, water was all that was needed and (hopefully) available as required. Once structures came with charged electrical wires, water was no longer the material of choice. You might extinguish a small fire and electrocute yourself in the process.
As of late, with high voltage (~700 V) electric vehicles that problem has been catapulted to new heights. For example, a recent report on the entire set of 18 competition e-bikes having burnt to ashes is just an inkling of the problems with that technology.