PROPULSIONZ-DRIVE COLLABORATION ON THE INLAND WATERWAYS EXPANDSAmerican Commercial Barge Line’s lead-ership and early adoption of ZF Marine’s z-drive propulsion technology underscores a growing trend on the inland waterways. By Joseph Keefemerican Commercial Barge Line (ACBL) has been around a long time – since 1915, to be exact – and along the way has developed into one of the domi-Anant players in the inland marine transportation industry. With a passion for safety and a green footprint, ACBL has always embraced technology and innovation. That point was obvious when it made the decision to out