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Capt. Josh Ferguson, master of the eWolf.

Administration (MARAD), which all provided ? nancial support and other resources.

“This tug becomes somewhat commercially viable be- cause of the grant process,” Manzi said. “Unlike a ferry service that’s paid for by tax dollars, we have to collect fares and tariffs from the shipowners. Right now, the technol- ogy is out over market. So, we’re working to true that up.” “The big driver [to produce the eWolf] was the reduc- tion in emissions,” Manzi said, noting that in 10 years’ time, Crowely expects the eWolf will have saved 178 tons of nitrogen oxides, 2.5 tons of diesel particulate matter and 3,100 metric tons of carbon.

Receiving a charge

While eWolf is already in San Diego, ready to go, its of? - cial entry into service has been put on a short hold as it awaits the completion of a specially designed shore charging system,