EnergiGermany risks running out of gas next winter, regulator warnsKlaus Müller says industry and households will have to make more savings to avoid power crisis.Klaus Müller’s comments echo those of Fatih Birol (right), head of the International Energy Agency, who warned last month that Europe had not yet won its energy war with Russia, despite a big drop in gas prices.Foto: Øyvind ElvsborgGuy Chazan (FT)