This Chula Vista company converted a diesel tugboat to electric power

This Chula Vista company converted a diesel tugboat to electric power

It took some work and cost a pretty penny, but a Chula Vista boatbuilding and repair company recently converted a tugboat from diesel power to all-electric at its shipyard that covers 1 million square feet of land and water on San Diego Bay. “Electrification in maritime is important,” said Todd Roberts, president of Marine Group Boat Works. “We wanted to not just do it for ourselves, but to show others that there’s a path forward and here’s how …