Good summary of current regulatory state of play for hydrogen in De Nora's Q4 earnings presentations. #hydrogen #electroyzers #fuelcells #EnergySky #GreenSky #EnergyTransition #thyssenkrupp #denora $DNR $NCH2 $NEL $ITM $PLUG $CWR $LIN $APD $AI $LHYFE $ENR $CMI $RWE $TTE