A tugboat powered by ammonia sailed for the first time Sunday in the Hudson River to show how the maritime industry can slash planet-warming carbon dioxide emissions.

A tugboat powered by ammonia has sailed along a tributary of the Hudson River, marking a vital step toward reducing carbon emissions.

A languishing tugboat in New York has been given new life in a push for a greener future. The NH3 Kraken, a 67-year-old boat, set sail on a tributary of the Hudson River on Sunday night powered by ammonia.

We detail the retirement announcement of NYC Schools Chancellor David Banks, a first-of-its-kind tugboat and a NJ school's special recognition.

A 67-year-old tugboat converted to run on Amogy's cleaner-burning ammonia-to-power technology has set sail for the first time

The tugboat's first sail on Sunday night is a milestone in a race to develop zero-emissions propulsion using renewable fuel, as emissions from shipping have increased over the last decade - to about 3

Shipping needs to cut emissions rapidly, and there are no solutions widely available today to fully decarbonize deep-sea shipping. But there's a lot of interest in ammonia as an alternative fuel.