CONTENTSMarineNews March 2018 • Volume 29 Number 3INSIGHTS14 Pat Folan Partner, Tug & Barge SolutionsFeaturesFeaturesCredit: YANMARREGULATORY REVIEW30 North Carolina Ferries Change 20 SITREP: Subchapter M Course for the Future No matter what route you take, time is marching Shoaling shifts NCDOT’s propulsion needs, prompting a on and that means compliance requirements, sea change. Thrustmaster waterjets step in to carry the day. inspections and audits are just around the corner. By Joseph KeefeBy Paul Hite34 The Emission Regulations: “It aint easy being Green”SPECIAL REPORT Nor is it getting any easier to understand when, how and why to comply. 26 Inland Towboats and Diesel By Robert KunkelElectric Propulsion Diesel electric technology, as part of a 38 Cruising Into Alaska with Power to Sparecomprehensive engineering design process, YANMAR only recently arrived in the Paci? c Northwest should be considered by the inland towboat sector. with its mechanical 6AYAM-ET diesel engine. It looks like By Joshua Slade Sebastian, P.E.they are here to stay. By Joseph KeefeASSIST VESSELS4HE