COLUMBUS, Ind.--(BUSINESS WIRE)--2018 was a great year for Siemens Mobility’s popular Charger locomotives, which means Cummins Inc. (NYSE: CMI) employees will be keeping busy over the next few years.

This article was co-authored by Victor Prados-Valerio. S. Travis Waller is a Director at Mobility Thinking Pty Ltd. He receives funding from the Australian Research Council, Transport for NSW, ...