BB has developed this,- the world’s first LNG powered escort tugs to be employed for long term terminal service at Statoil’s Kaarstoe terminal. The tugs will be powered by lean burn gas engines from Rolls Royce Marine and is under construction at Sanmar Denizcilik A.S. shipyard in Turkey. The environmental benefits of an LNG powered tug are;
92% reduced NOx emission
20% reduction of CO2 emissions
98% reduced particulates
compliant with Tier III regulations
Also, the new hull and propulsion system will achieve up to 20% higher thrust efficiency compared to standard designs. The LNG system is designed by AGA Cryo and comprises an 80m3 LNG tank, two cold boxes and bunkering system. The system is fully redundancy (i.e. no diesel back up is required). The tugs will obtain DnV Gas fuelled notation.