Foss Maritime and Aspin Kemp receive US patent for hybrid marine propulsion and energy management system used in harbor tugs
Green Car Congress
JANUARY 15, 2012
Foss built the first hybrid tugboat, Carolyn Dorothy , and has successfully converted a second vessel, Campbell Foss , to a hybrid at its shipyard in Rainier, Oregon. T he Hybrid Solution; Power And Reliability In A Green Package (Foss and AKA presentation at 2012 Greening the Research Fleet workshop at Duke University.).
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