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Rolls-Royce Plc has received the Green Ship Technology Award for its Environship concept - a revolutionary design and system solution for cargo ships that reduces CO2 emissions by up to 40 percent compared to similar diesel-powered vessels.

The Environship, which can be adapted for different ship types, incorporates a range of Rolls-Royce technologies to deliver efficiency savings for ship owners. These include a Bergen engine powered by liquefied natural gas (LNG), the Promas combined rudder and propeller, a hybrid shaft generator to optimise use of electrical power and an innovative wave-piercing hull design.

The accolade was awarded at a ceremony in Hamburg, Germany, in connection with the annual Green Ship Technology Conference.

Tony Wood, Rolls-Royce, President - Marine said: "We’re delighted to receive this award for our Environship concept, another endorsement for our belief that only a combination of technologies will maximise environmental and efficiency gains. With a number of Environship vessels already in build, 2013 will be an exciting year, as this awarding winning concept takes to the seas."

The first vessel built to the Environship standard is a fish-feed transporter currently under construction at the Vard Aukra shipyard in Norway, for shipping company Eidsvaag Rederi. The vessel is due for delivery in May this year. In October, the first of two cargo ships for the Norwegian company Nor Lines will be delivered by Tsuji Heavy Industries (Jiangsu) Co Ltd. in China.

Passenger ship designs are also under development. Last year Rolls-Royce announced that it had signed a teaming agreement with Italian company Lauro Shipping to design innovative new gas powered ferries based on the Environship concept.

In 2011 Environship received the Next Generation Ship Award at the Nor-Shipping exhibition.ade.