tugboat

Replacing the roughly 2,000 tugboats in the U.S. with electric alternatives could prevent more than 1.6 million cars’ worth of greenhouse gas emissions annually, according to Arc.

The Maltese government said a tugboat was sent to the scene to extinguish the fire, which they say was under control by 01:28 local time.

Yet incredibly, sealing the ends watertight and fitting them with ballast tanks, gives enough buoyancy to tow them behind tugboats.

Three tugboats took control of the "stricken vessel" that is "unable to manoeuvre".

Clyde tugboats fired water cannons to send off the submarine and its 110-strong crew on Tuesday, before being welcomed by waving well-wishers as it sailed into Plymouth Sound.