Crowley Unveils Revolutionary eWolf: One of the First Battery-Powered Tug in the U.S. Maritime News Feed by Editor - 25 January 202425 January 2024 The all-electric tug eWolf.Photo:courtesy Crowley Crowley, the US-based maritime giant, has proudly taken delivery of the nation's first all-electric harbor tugboat, named eWolf. Crafted by Crowley's