Cities in Germany are working on measures to save gas ahead of a possible energy crisis in winter, as natural gas deliveries from Russia become ever more restricted. The squeeze on gas deliveries has sent energy prices rapidly higher since the start of the war in Ukraine. “One thing is clear: No one should have to freeze in winter,” Verena Göppert, deputy managing director of the German cities association, told dpa. The unease in Germany over energy supplies has been heightened this week by scheduled maintenance work on the Nord Stream 1 Baltic Sea pipeline – the main route for gas from Russia…