Core Viewpoint - The largest pure electric tugboat fleet in northern China has been officially put into operation in Tianjin, consisting of four 5,400 horsepower electric tugboats designed to assist various vessels in and out of the port and docking operations [1] Group 1: Fleet Details - The electric tugboats are developed by Tianjin Xinjincheng Shipping Technology Service Co., Ltd., equipped with a battery capacity of 6,709 kWh, and can be fully charged in 3 hours using fast charging technology [1] - Each tugboat can travel approximately 120 nautical miles on a full charge, achieving zero exhaust emissions and low noise operation compared to traditional fuel tugboats [1] Group 2: Environmental Impact - Each electric tugboat can reduce emissions by about 1,100 tons of carbon oxides annually, equivalent to the yearly emissions of over 400 small cars [1] Group 3: Market Outlook - The general manager of Tianjin Xinjincheng Shipping Technology Service Co., Ltd. stated that with the continuous upgrade of global port environmental standards, the market space for new energy tugboats is expanding, with plans to deploy 10 to 20 similar tugboats nationwide [1] Group 4: Regulatory Framework - The Tianjin Port and Shipping Administration plans to monitor the entire operational cycle of the tugboats and aims to extract regulatory service experiences from this practice to provide replicable solutions for more green projects [1]