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NYK to Collaborate with A.P Moller-Maersk on Developing
Environmental Technologies

June 10, 2010

 In their efforts to reduce the impact of shipping on the environment, NYK and A.P. Moller-Maersk have agreed to share ideas on emission-reduction technologies and initiatives. Exchanging knowledge in these areas aims to enable more cost-effective solutions and more efficient implementation of measures required to reduce CO2, NOx and SOx emissions and other environmental impacts. To provide a classification society perspective and competence on technology solutions and risk management, Det Norske Veritas (DNV) will be part of the knowledge-sharing process. 

 The companies will exchange ideas mainly in the following areas: 
1. Energy-efficiency technologies, including waste-heat recovery1 and air lubrication.2
2. Emission-abatement technologies including emission-cleaning systems, systems for operations using low-sulfur fuel,3 and systems for ballast-water treatment.4
3. Alternative fuel, including LNG and fuel cells, as a replacement for heavy fuel oil.
4. Vessel-operation measures, including super-slow-steaming operations,5 to reduce air emissions and increase fuel efficiency.
 In addition to the above, technological exchanges among the companies will be promoted in a number of other fields.
 NYK, A.P. Moller-Maersk and DNV continue to take initiatives to safeguard the environment by developing environment-friendly vessels and ensuring energy-efficient operations.
1Waste-heat recovery
A system to reduce fuel consumption and emissions by generating electric power using the hot exhaust gases emitted by a vessel's engine.
2Air lubrication
An energy-conservation system that reduces the frictional resistance between a vessel’s hull and the seawater by means of air bubbles or air film generated by supplying air under water along the hull.
3Systems for operations using low-sulfur fuel
Specific measures are required for extended ship operations using low-sulfur (distillate) fuel, including special piping and cooling systems. This will reduce air pollutants significantly when compared with operations using heavy fuel oil without any abatement measures. As an alternative, emission-cleaning systems will be investigated.
4Systems for ballast-water treatment
System to eliminate non-native, invasive and exotic live species present in ballast water, which is carried in tanks to maintain a vessel’s strength and stability during voyages.
5Super-slow-steaming operations
Operating a vessel at a super-reduced speed by lowering the engine's rpm as far as possible, while continuously monitoring the engine’s operating limitation, to attain a significant reduction in fuel consumption.
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