A.P.Moller – Maersk Group, as an operator in global transport and energy, commits to minimise its impact on the environment through energy efficiency and sound management. According to its latest Sustainability Report, Maersk Line has taken out 34% of the CO2 it emits when shipping a container since 2007. Maersk Line is well on its way to achieving its 40% CO2 reduction target by 2020. With the combined efforts of other players in the value chain, the CO2 footprint of containerised trade can be further improved.
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CO2 performance The A.P. Moller – Maersk Group has achieved a 17% improvement in CO2 efficiency since 2010, mainly driven by accelerated energy efficiency gains in Maersk Line. As a result, both our relative and absolute CO2 emissions decreased in 2013. Maersk Line CO2 emissions per container dropped by 12% in 2013. Compared to the 2007 baseline, CO2 emissions per container are down 34%. The CO2 reduction achieved in 2013 is directly related to consistent efforts to reduce fuel costs. Had Maersk Line not achieved this reduction in 2013, their total fuel cost would have been USD 764 million higher In 2013, Maersk Line further improved and simplified their network of shipping services. This meant reducing overlapping service and port coverage by deploying fewer but larger vessels while at the same time sailing these at more fuel-efficient speeds. Four Triple-E vessels welcomed into the fleet The first four out of 20 Triple-E vessels on order joined Maersk Line’s fleet in 2013. These 18,000 TEU vessels connect Asia with Europe in an energy-efficient manner. Previous estimates have found that the Triple-E vessels could improve CO2 efficiency by 50% per container compared to the industry average on the Asia-Europe trade lane, and early performance figures are in line with these estimates. |
Fuel efficiency requirements introduced for charter vessels
More than half of Maersk Line’s fuel consumption comes from vessels leased in from third parties. In 2013, performance on energy efficiency was integrated into the contracting process for charter vessels, and fuel efficiency levels are now an integral part of the selection process. As a consequence, Maersk decelected a number of suppliers in 2013.
For Maersk Tankers, every tonne of CO2 cut saves the company approximately USD 200. Thanks to slow steaming and retrofitting, Maersk Tankers has performed above target and reduced CO2 emissions by 19.7% since 2010, and is now close to meeting its 20% reduction target by 2020. In 2013, this helped the Maersk Tankers fleet save 133,000 tonnes of fuel oil and 414,000 tonnes of CO2. Without this reduction in 2013, their total fuel cost would have been USD 81.1 million higher
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Facelift for efficiency During its stay in the dry docks of Qingdao Shipyard in China, the container vessel lies with its old bow dismantled. A bow tha is shaped to allow the vessel to adapt better to current sailing speeds makes a fuel saving of up to 5%. In this way, it s a major contributor to energy- efficient sailing. Then Maersk Line vessels had their bows changed in 2013.
Photo credit: Maersk
Also read article: Why 10 of Maersk’s ships are getting a new bulbous bow |
Preparing for stricter SOx regulations
Maersk Line and Maersk Tankers will initially comply by switching to cleaner fuels. Scrubber technologies have proved an unviable solution at this point, especially on existing ships where retrofits are too expensive. With more technological development, it might become an option for new builds. Other solutions such as LNG and biofuels are also being explored.
Complying with 2016 NOx regulation
New ships built after January 1st, 2016 will be required to reduce NOx emisions by 80% when operating within emissions control areas in North America and Caribbean waters and potentially also in Europe. This requires complex in- engine or after-engine treatment systems or a shift to completely different fuels. The Group has been actively exploring these options to meet regulatory and commercial requrements. Maersk concludes that exhaust gas recirculation solutions seem to be the most practical way to meet the requirements for main engines.
Maersk Ingrid – a super fit super tanker
Super tanker Maersk Ingrid stood out in Maersk Tankers’ fleet in 2013. As the pilot ship in the company;s eco-retrofitting programme, Maersk Ingrid had a range of fuel saving technologies installed in early 2013, which has led to fuel performance leadership
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Ballast water Following current legislation, Maersk Line and Maersk Tankers do ballast water exchanges midway through the journey but this measure will not suffice in light of anticipated regulatory developments.
Ballast water tanks are filled to add weight to the ship once cargo has been discharged in order to improve its stability. Ballast water taken from one body of water and discharged into another body of water can introduce invasive species of aquatic life. |
Further information and data may be found at Maersk Group’s Sustainability Report 2013
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