Germany does not believe in closing its markets to foreign competition, Chancellor Olaf Scholz said at an event on Saturday marking the 125th anniversary of carmaker Opel’s Rüsselsheim plant. “We do not close our markets to foreign companies, as we don’t want that in reverse for our companies after all,” Scholz said during a ceremony at the plant, south-west of Frankfurt. Protectionism and customs barriers in contravention of trade rules “simply make everything more expensive and all of us poorer,” he said. Expressing confidence in the German automotive sector, Scholz said he had no doubt that…