b'FOGHORNFOCUS: MARINE PROPULSION(LEFT) Pyxis. (RIGHT) Spirit of Kingston.CATERPILLARVacationers can take a high-speed passenger ferry in PVA Associate member Caterpillar engines are popularRhode Island between Quonset Point and Marthas Vineyard. around the world. The Alaska Marine Highway System,The catamaran Julia Leigh, operated by PVA member Rhode which operates a fleet of passenger-only and passenger-au- Island Fast Ferry, is powered by twin MTU 12V4000M64 tomobile ferries, recently chose Caterpillars EMD enginesdiesel engines and entered into service in June.for the 280-ft Tazlina, which can carry 300 passengers and 53 standard vehicles. Alaska Marine Highway System has beenVOLVO PENTA a PVA member for nearly two decades, and is headquarteredBay State Cruises of Boston, MA, has contracted with a in Ketchikan, AK.new casino resort to operate four ferries to take passengers seeking their fortunes to and from the casino. Twin Volvo CUMMINS Penta D6 engines propel the 35-passenger ferries, which In San Francisco Bay and Fishermans Wharf, the Enhydrawere designed to cruise underneath a drawbridge without it is PVA member Red and White Fleets first hybrid diesel- opening, thereby reducing engine idling. Each engine offers electric ferry; it also runs on 100 percent biodiesel. The ferry300hp and is coupled to Volvo Penta IPS drive units.has two diesel generators; both modified Cummins dieselIn the Windy City, Chicago Water Taxi is repowering engines. These can start up to charge the vessels batteriesone of its taxis, Bravo, with Volvo Penta engines because the and power the two electric motors that propel the ferry. Thereoperator is interested in the manufacturers product develop-is no main engine, as the generators power dual electric propment and upcoming products. motors while also charging the batteries.YANMAR AMERICAN CORPORATIONJOHN DEERE POWER SYSTEMS Vacationers in Cozumel and the mainland port near Fire Islands famous beaches are now accessible by a newCancun can travel on catamaran ferries powered by Yanmar ferry. PVA Vessel member Fire Island Ferries, Bay Shore, NY,common rail diesel engines that provide lower emissions operates the Isle of Fire, which is powered by three John Deerewhile maximizing torque at low or high revs.diesel engines and has a cruising speed of 20 knots withThe Seychelles sit about 1600 km off the coast of Africa in space for 400 passengers. the Indian Ocean; they have a catamaran ferry powered by In the Pacific Northwest, PVA Vessel member Kingtwin Yanmar engines that create low particulates and NOx, County Water Taxi, Seattle, WA, updated the 14-year-old,SOx and carbon monoxide emissions. This means they meet 149-passenger Spirit of Kingston that provides service instrict International Maritime Organization air pollution re-Seattle. The repower included a Tier 3 repower with fourquirements.John Deere marine engines. The project replaced older Tier 2At home in the U.S. and around the world, passenger with Tier 3 diesel engines, reducing exhaust emissions by 22vessels continue to rely on clean diesel to keep their motors percent, particulates by 45 percent and improved fuel con- running. nsumption by 7 percent.MTU About the Author The first U.S. passenger ferry with Tier 4 emissionsEzra Finkin is the Policy Director at the Diesel Technology Forum, which is based in Frederick, MD. The Diesel Technology Forum is a controls went into service in March on San Francisco Bay. Thenon-profit organization dedicated to raising awareness about the 445-passenger high speed Pyxis is powered by two MTUimportance of diesel engines, fuel and technology. Mr. Finkin will Tier 4 diesel engines and serves the San Francisco Bay Ferryspeak at the PVA Annual Convention at MariTrends 2020 in Tampa, system, which is a PVA member. and can be reached at efinkin@dieselforum.org.10 OCTOBER 2019FOGHORN'