
This photo taken on Dec. 12, 2023 shows the world's first hydrogen-powered tugboat Hydrotug 1 at the port of Antwerp-Bruges in Brussels, Belgium. The Port of Antwerp-Bruges announced on Tuesday that it is ready to put the world's first hydrogen-powered tugboat into operation in the Antwerp port area.(Photo: Xinhua)

This photo taken on Dec. 12, 2023 shows the world's first hydrogen-powered tugboat Hydrotug 1 at the port of Antwerp-Bruges in Brussels, Belgium. The Port of Antwerp-Bruges announced on Tuesday that it is ready to put the world's first hydrogen-powered tugboat into operation in the Antwerp port area.(Photo: Xinhua)

This photo taken on Dec. 12, 2023 shows the world's first hydrogen-powered tugboat Hydrotug 1 at the port of Antwerp-Bruges in Brussels, Belgium. The Port of Antwerp-Bruges announced on Tuesday that it is ready to put the world's first hydrogen-powered tugboat into operation in the Antwerp port area.(Photo: Xinhua)

This photo taken on Dec. 12, 2023 shows the world's first hydrogen-powered tugboat Hydrotug 1 at the port of Antwerp-Bruges in Brussels, Belgium. The Port of Antwerp-Bruges announced on Tuesday that it is ready to put the world's first hydrogen-powered tugboat into operation in the Antwerp port area.(Photo: Xinhua)