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 ...

Under the blazing summer afternoon sun, Dan Friend watched a tugboat built for service in World War II pull into DeLand Sunday on the St. Johns River. It was an image the retired high school history ...

The sea is calm tonight. The breeze is light. An easy swell rolls beneath the Delta Teresa, a tugboat idling at the entrance to Long Beach Harbor. In the darkness where sky and water meet, nearly ...