Port of Los Angeles gets final Coast Guard approval to create first harbor tour vessel retrofitted with Hybrid-Electric propulsion system. The Port of Los Angeles has received final approval from the U.S. Coast Guard to install a hybrid propulsion system on its 42-year-old harbor tour boat, the Angelena II. Upon completion later this spring, the Angelena II will be the first harbor craft of its kind retrofitted with a hybrid propulsion system that will reduce emissions and fuel usage by more than 95 percent.