KINGSTON, N.Y. (AP) — On a tributary of the Hudson River, a tugboat powered by ammonia eased away from the shipyard dock and sailed for the first time to show how the maritime industry can slash ...

When the cargo ship Dali struck the Francis Scott Key Bridge March 26, collapsing lanes into the water below and resulting in the death of six people, tugboats became part of the unfolding news story.

Tugboats are built to be strong enough to pull massive ships, not for speed. Unlike cargo ships or speedboats, which are designed for high velocities, tugboats serve a different purpose: assisting and ...

Tugboats make up some of the hardest workers on the water. From guiding massive ships through narrow harbors, towing barges through busy channels, even pushing vessels against ocean currents, they're ...