Siemens "Vectron" 193 # 491 of the Hupac company, rented to Widmer Rail Services AG (WRS) this day, is pulling the empty tank car train 69658 from Salez-Sennwald via Sargans-Olten-Biel to Cornaux, running through Wädenswil on the shore of Lake Zürich. Hupac has 8 of this "Vectron" locomotives, 4 are running for BLS Cargo at the moment.