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SAFETY4SEA

Ship efficiency standards too weak to drive improvements

by The Editorial Team
April 4, 2016
in Green Shipping
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Shipping’s only legally binding climate measure is not stimulating the uptake of new technologies or driving efficiency improvements, according to a new independent study. Since 2013 newly-built ships subject to the IMO design fuel efficiency standard – known as the EEDI – have performed much the same as those not covered, the report for NGOs Seas At Risk (SAR) and Transport & Environment (T&E) finds. 

According to the study at least two-thirds of containerships, half of general cargo ships and a quarter of tankers launched in 2015 already overshoot the requirement for 2020 without using innovative new technologies.1 This shows that the standard will not encourage uptake of new technologies – all it may do is prevent a reversion to the worst designs of the past. These recent efficiency gains are part of a recognised historical trend for ship design efficiency to fluctuate according to economic cycles and fuel prices.2 

SAR and T&E say the ease with which ships over-comply exposes the weakness of the efficiency standard and the urgent need for it to be strengthened. A much-needed review of the standard is underway but could be shut down at an IMO meeting later this month without a strengthening of the requirements.3

John Maggs, senior policy advisor at Seas At Risk, said:

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“What is now clear is that recent improvements in ship design efficiency are the result of the market, not the EEDI. If efficiency standards are not tightened there is a real risk that a change in market  circumstances will result in ship design efficiency falling back to the level of the current weak standards.”

While reducing design speed is a very effective way of improving efficiency, the study shows there has only been a modest reduction in the average design speed of new vessels, and that is largely limited to container ships. With efficiency improvements via new technologies and speed reduction largely untapped, there remains considerable potential for further design efficiency improvements but these will not be taken up unless the IMO incentivises them through a stricter EEDI requirement.

Sotiris Raptis, shipping policy officer at T&E, said:

“The tightening of requirements for the design efficiency of new ships is the first test of the IMO’s climate ambition after Paris. Missing this boat until the next review in six years’ time would seriously undermine the efforts of countries that committed to strive towards the 1.5 degrees target. Those countries that supported the Paris Agreement, not least EU countries, should not stand by and see this ambition set aside at IMO.”

Further details may be found by reading the report

 

Historical-trends

Source: Transport & Environment

[divider]

Notes

1. The study measures estimated index values (EIV) of new ships. EIV is a simplified version of the Energy Efficiency Design Index (EEDI) that was used to construct the EEDI baseline. It normally results in an underestimate of the EEDI (ie, suggesting the ship is less efficient than it actually is). EEDI scores are not publicly available.

2. Historical trends in ship design efficiency, 2015 study for Seas At Risk and Transport & Environment

3. The 69th session of the IMO’s Marine Environment Protection Committee (MEPC 69) meets in London from 18-22 April. It will decide on a recommendation from a sub-group reviewing the EEDI to end the review at MEPC 69. This would leave the Phase 2 target unchanged, despite expectations that the review would continue its work until MEPC 70 (in October 2016). The next opportunity for a review of the EEDI requirements is in six years.

 

Ship efficiency standards too weak to drive improvementsShip efficiency standards too weak to drive improvements
Ship efficiency standards too weak to drive improvementsShip efficiency standards too weak to drive improvements
Tags: EEDIenergy efficiencyreportsT&E
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