Another milestone for hybrid workboat technology has been delivered on the West Coast: the 100’x40’ tugboat Delta Teresa, the latest tractor tug for San Francisco-based Baydelta Maritime.
It’s the seventh tractor tug that Nichols Brothers Boat Builders, Seattle, has built for Baydelta, but a dramatic departure with its dual diesel-electric propulsion system.
Designed by Jensen Maritime Consultants, Seattle, the hybrid concept as applied to tugboats aims to deliver on several fronts: reduced air...