An employee tests a GEH2 zero-emission hydrogen power generators developped by French company EODev, at the Eneria CAT factory in Montlhery, Paris' suburb on June 20, 2023. The GEH2 hydrogen power generator doesn't use fossil fuels and doesn't produce any CO2 to accelerate energy transition, raising awareness about the potential of hydrogen. (Photo by Emmanuel DUNAND / AFP) (Photo by EMMANUEL DUNAND/AFP via Getty Images)Photo: EMMANUEL DUNAND / AFP / Getty Images