The world’s first escort tugs fueled solely by LNG and powered by Rolls-Royce engines, are already proving themselves at a gas-processing terminal in Norway.
https://www.youtube.com/watch?v=MjVLecU95cU
The Rolls-Royce propulsion package includes the gas tank and supply system and two of the latest design US35 azimuth thrusters that ensure the tugs have rapid manoeuvring and positioning capabilities – essential for tug operation.
LNG World News Staff, September 22, 2014; Image: Rolls-Royce