b'MEMBER NEWSMarine Group Boat Works Electrifies Diesel Yard Tug with Electric Propulsion SystemM arineGroupBoatWorksnations first fully electric tug, eWolf,ResourceBoards(CARB)goalof (MGBW)hascompletedinthespringoflastyearpioneer- zero-emission propulsion systems on theelectrificationofitsing steps to reach the California Airnewbuilds by 2035.owndiesel-poweredtugboat.The conversion involved outfitting the tug withafullyintegratedelectricoper-atingsystem,batteryandcharging systemofferingcomparablehorse-power and torque to its diesel counter-partsandcontinuous,emission-free power to run the tug. On average, the yard utilizes the tug approximately 80 hours a month.Being the first to convert a truckable tug to electric meant there was no one to ask, and this was a highly complex repower,saidMGBWPresident ToddRoberts.Throughextensive engineeringandclosecollaboration betweencomponentmanufacturers and our expert team of mechanics, we navigated through it.The small harbor tug is used in the tow-ing of vessels to and from the boat lift piers and docks and transporting vessel crews prior to their vessels being hauled or after launch. More than 2,000 hours ofMGBWlaborwenttowardsthe removaloftheexistingenginesand installation of the new system.We used this platform to produce a real-life demonstrator for an off-the-shelf system that would easily fit into apassengervesselortruckabletug-boat, said Roberts. MGBWs electric repower follows on the heels of Crowley Maritime and the Port of San Diego when they built the 57 JUNE 2025'