Clean diesel technology upgrades for large tug and switcher locomotive engines cost only $4,379 to $15,201 per ton of nitrogen oxides (NOx), compared to more than $30,000 per ton of NOx for many other ...

Japan-based Yanmar has delivered two 6EY26DF dual-fuel commercial marine engines with the ability to use both heavy fuel oil (HFO) and liquefied natural gas (LNG) as fuels for the LNG tugboat. Mitsui ...

VICKSBURG, Miss. (AP) — The Coast Guard says an engine room fire on a tugboat restricted traffic overnight on a five-mile stretch of the Mississippi River, but the restrictions were lifted Thursday ...

The nation's first all-electric tug boat has docked at the Port of San Diego and expects to begin emissions-free operations in about a month. Operated by Crowley Maritime Corporation, the 82-foot ...

The nation’s first all-electric tugboat has docked at the Port of San Diego and expects to begin emissions-free operations in about a month. Operated by Crowley Maritime Corporation, the 82-foot eWolf ...

Tug boat photo courtesy Wikipedia. Parent company Rolls-Royce will supply two MTU gas engines to construction of the first liquefied natural gas (LNG) hybrid-powered tug in the world, according to the ...