the continuing saga of ghg emissions reduction at the imo
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The continuing saga of GHG emissions reduction at the IMO
Psaraftis, Harilaos N.
Publication date:2019
Document VersionPublisher's PDF, also known as Version of record
Link back to DTU Orbit
Citation (APA):Psaraftis, H. N. (Author). (2019). The continuing saga of GHG emissions reduction at the IMO. Sound/Visualproduction (digital)
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The continuing saga of GHG emissions reduction at the IMO
Harilaos N. Psaraftis
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Speed reduction vs speed optimization: the speed limits lobby strikes again
Harilaos N. Psaraftis
PREVIOUS SEMINAR: 25 OCTOBER 2018
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16 May 2019MS SEMINAR3 DTU Management
Q: who remembers the 25/10/2018 seminar?
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16 May 2019MS SEMINAR4 DTU Management
Brief recap:Big news from the IMO: April 2018!
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16 May 2019MS SEMINAR5 DTU Management
”Initial IMO strategy”
CENTRAL AMBITION
• Reduce annual GHG emissions by ≥ 50% by 2050 (vs 2008 levels)
• Reduce annual CO2 emissions per transport work by ≥ 40% by 2030, pursuing efforts towards 70% by 2050 (vs 2008 levels)
• Q: How?
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16 May 2019MS SEMINAR6 DTU Management
LONG LIST OF CANDIDATE MEASURES
HIERARCHY
•SHORT TERM (2018-2023)
•MEDIUM TERM (2023-2030)
•LONG TERM (2030 on)
EXAMPLES
•Speed reduction
•Market basedmeasures
•Low carbon fuels
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16 May 2019MS SEMINAR7 DTU Management
Among the short term measures
• ”Speed reduction” was proposed as a keymeasure
• Advocates said it can have an immediateimpact in reducing CO2
• Can be used as a bridge until more permanent measures are in place (eg, low carbon fuels)
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16 May 2019MS SEMINAR8 DTU Management
Speed reduction (rationale)
•Pay less for fuel
•Reduce emissions
•Help sustain a volatile market
•Win-win-win?
•(killing 3 birds with one stone?)
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16 May 2019MS SEMINAR9 DTU Management
SIDE EFFECT: Build more ships to match demand throughput
•More emissions due to shipbuilding and scrapping (life cycle analysis)
•More maritime traffic (less safety)
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16 May 2019MS SEMINAR10 DTU Management
Another side-effect
•Cargo may shift to land-based modes, if these are available
•This may result in more CO2
•European short-sea shipping
•Even in deep-sea shipping
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16 May 2019MS SEMINAR11 DTU Management
The speed limiters lobby
•Speed limits have been proposed by some NGOs
•These NGOs have been lobbying the IMO and the EU for years
•Clean Shipping Coalition
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16 May 2019MS SEMINAR12 DTU Management
25/10/2018 seminar: main result
• True that the speed limit option may buy some time within the whole IMO debate on GHGs.
• May also give a signal that looks politically correct, that the IMO has moved boldly and took a first step towards GHG emissions reduction.
• However, it will also create many distortions and other problems and because of this the measure should be avoided.
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16 May 2019MS SEMINAR13 DTU Management
25/10/2018 seminar: main result ii
(personal opinion)
Speed limits VERY UNLIKELY to happen!
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16 May 2019MS SEMINAR14 DTU Management
Q: what has happened since 25/10/2018?
A: not much
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16 May 2019MS SEMINAR15 DTU Management
IMO timeplan 2018-2023
OCTOBER 2018
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16 May 2019MS SEMINAR16 DTU Management
AFTER A FIERCE DEBATE:”prioritization” changed to ”consideration”
OCTOBER 2018
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16 May 2019MS SEMINAR17 DTU Management
This week:
MAY 2019
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16 May 2019MS SEMINAR18 DTU Management
IMO
Last week
•5th Intersessional meeting of the working group to reduce GHG emissions from ships
This week
•MEPC 74
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16 May 2019MS SEMINAR19 DTU Management
Q: what has happened since 25/10/2018?
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16 May 2019MS SEMINAR20 DTU Management
Q: what has happened since 25/10/2018?
15 APRIL 2019
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16 May 2019MS SEMINAR21 DTU Management
Q: what has happened since 25/10/2018?
30 APRIL 2019
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16 May 2019MS SEMINAR22 DTU Management
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16 May 2019MS SEMINAR23 DTU Management
Parenthesis: why would some ship owners support speed limits?
Visible reasons
•Reduce fuel costs
•Reduce GHGs
•Is politically correct
Less visible reasons
•Freight rate increase
•Easier to compete against ships that are more energy efficient
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16 May 2019MS SEMINAR24 DTU Management
6 MAY 2019
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16 May 2019MS SEMINAR25 DTU Management
The extended lobby
•France
•Greece
•Greenpeace
•Various environmental groups
•>100 shipping companies (many of them Greek)
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16 May 2019MS SEMINAR26 DTU Management
61% are for the measure, 39% against
7 MAY 2019
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16 May 2019MS SEMINAR27 DTU Management
8 MAY 2019
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16 May 2019MS SEMINAR28 DTU Management
Last week at the IMO
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16 May 2019MS SEMINAR29 DTU Management
Last week at the IMO
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16 May 2019MS SEMINAR30 DTU Management
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16 May 2019MS SEMINAR31 DTU Management
Last week at the IMO
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16 May 2019MS SEMINAR32 DTU Management
This week at the IMO
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16 May 2019MS SEMINAR33 DTU Management
This week at the IMO
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16 May 2019MS SEMINAR34 DTU Management
This week at the IMO
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16 May 2019MS SEMINAR35 DTU Management
This week at the IMO
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16 May 2019MS SEMINAR36 DTU Management
Recall that
•Chile and Peru objected to ”speed reduction” as a measure.
•Argued that sending cherries to China would suffer.
•Suggested using ”speed optimization” instead
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16 May 2019MS SEMINAR37 DTU Management
Compromise solution:
Include both!
•But, no one is really sure what is meant by speed optimization!
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16 May 2019MS SEMINAR38 DTU Management
ALSO: wide confusion on what is meant by speed reduction!
Speed reduction can be:
•Voluntary (slow steaming)
•Outcome of a speed limit
•Outcome of a bunker levy
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16 May 2019MS SEMINAR39 DTU Management
ALSO: wide confusion on what is meant by speed reduction!
Speed reduction can be:
•Voluntary (slow steaming)
•Outcome of a speed limit
•Outcome of a bunker levy
•All these are very different!
•Focus on speed reduction as an outcome may shift regulatory focus
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16 May 2019MS SEMINAR40 DTU Management
Definition of ”speed optimization”
“Speed optimization can produce significant savings. However, optimum speed means the speed at which the fuel used per tonne mile is at a minimum level for that voyage. It does not mean minimum speed; in fact, sailing at less than optimum speed will consume more fuel rather than less. Reference should be made to the engine manufacturer's power/consumption curve and the ship's propeller curve. Possible adverse consequences of slow speed operation may include increased vibration and problems with soot deposits in combustion chambers and exhaust systems. These possible consequences should be taken into account.”
Ship Energy Efficiency Management Plan- SEEMP (IMO, 2011)
MAY ADD TO THE CONFUSION
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16 May 2019MS SEMINAR41 DTU Management
The MS definition
Speed optimization can be defined as the selection of an appropriate speed profile for the ship so as to optimize a specific objective while meeting various requirements (or constraints) on the ship’s operation. The speeds that correspond to the chosen speed profile are called “optimal speeds”.
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16 May 2019MS SEMINAR42 DTU Management
Typical objective: depends on who pays for the fuel
Ship owner
•MAX PROFIT/DAY
Time charterer
•MIN COST/DAY
OBJECTIVE CAN BE ANY OTHER, APPROPRIATELY DEFINED
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16 May 2019MS SEMINAR43 DTU Management
CONSTRAINTS
•Time windows
•Scheduling or timetabling requirements
•Constraints on hull stresses, accelerations, etc
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16 May 2019MS SEMINAR44 DTU Management
3 LEVELS IN SPEED OPTIMIZATION
•OPERATIONAL
•TACTICAL
•STRATEGIC
•Weather routing
•Select speeds at various legs
•Select design speed
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16 May 2019MS SEMINAR45 DTU Management
SLOW STEAMING: A VOLUNTARY PRACTICE
CONTAINERS
• Recently (2016), UNCTAD documented a continuing sluggish demand challenged by an accelerated massive global expansion in container supply capacity, estimated at 8% in 2015—its highest level since 2010.
• Even more recently (2018), the two largest container carriers, Maersk and MSC, have agreed to further slow steam to cut costs, with some speeds as low as 13 knots!
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16 May 2019MS SEMINAR46 DTU Management
SLOW STEAMING: A VOLUNTARY PRACTICE
OTHER SECTORS
•On a global scale, and according to the third GHG study of the IMO, the reduction of global maritime CO2 emissions from 885 million tonnes in 2007 to 796 million tonnes in 2012 is mainly attributed to slow steaming due to the serious slump in the shipping markets after 2008.
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16 May 2019MS SEMINAR47 DTU Management
Case study
Source: ShipCLEAN project (2018)
Vessels deployed in a TransPacific service
EASTBOUND: Xiamen, Ningbo, Shanghai, Manzanillo, Buenaventura, Callao, San Antonio
WESTBOUND: Callao, Manzanillo, Kaohsiung, Yantian, Hong Kong, Xiamen
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16 May 2019MS SEMINAR48 DTU Management
Focus – ContainershipEXPRESS BERLIN
Built in 2011
Design speed: 25.2 knots
Chartered for: YANG MING LINE (previously: HANJIN)
Main Engine Power 68600 kW
10100 TEU
1400 reefers
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16 May 2019MS SEMINAR49 DTU Management
More Info on the Service
Average service speed: 15.9 knots
Corresponds to about 18.5% of MCR!
25% MCR: 17 knots
50% MCR: 22 knots
75% MCR: 25.2 knots
100% MCR: 27.7 knots
10% MCR: 12.6 knots
Maximum Continuous Rating (max engine power)
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16 May 2019MS SEMINAR50 DTU Management
More Info on the Service
Average service speed: 15.9 knots
Corresponds to about 18.5% of MCR!
25% MCR: 17 knots
50% MCR: 22 knots
75% MCR: 25.2 knots
100% MCR: 27.7 knots
10% MCR: 12.6 knots
Maximum Continuous Rating (max engine power)
1st OBSERVATION: SLOW STEAMING BIG TIME!
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16 May 2019MS SEMINAR51 DTU Management
2nd observation: speed profile
0
5
10
15
20
25
Speed per leg (knots)
According to Published Schedule Actual
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16 May 2019MS SEMINAR52 DTU Management
2nd observation: speed profile
0
5
10
15
20
25
Speed per leg (knots)
According to Published Schedule Actual
WESTBOUNDEASTBOUND
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16 May 2019MS SEMINAR53 DTU Management
Speed imbalances
Source: ShipCLEAN project (2018)
EASTBOUND: Xiamen, Ningbo, Shanghai, Manzanillo, Buenaventura, Callao, San Antonio
WESTBOUND: Callao, Manzanillo, Kaohsiung, Yantian, Hong Kong, Xiamen
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16 May 2019MS SEMINAR54 DTU Management
How can one explain speed imbalances?
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16 May 2019MS SEMINAR55 DTU Management
How can one explain speed imbalances?
•(Commercial) factors:
•Difference in values of cargo
•Difference in load factors
•More expensive cargoes sail faster
•Fuller ships sail faster
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16 May 2019MS SEMINAR56 DTU Management
Can be shown that
•v13 - v2
3 = k(P1u1 - P2u2)Q/p
constant
Values of cargo Load factors
Ship capacity
Fuel price
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16 May 2019MS SEMINAR57 DTU Management
CO2 reductions, speed limit
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16 May 2019MS SEMINAR58 DTU Management
CO2 reductions, levy
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16 May 2019MS SEMINAR59 DTU Management
Important note!
A bunker levy is NOT explicitly included in the set of measures currently considered by the IMO
Only obliquely included under medium term measures (2023-2030):
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16 May 2019MS SEMINAR60 DTU Management
Comparison speed limit vs levy
ISSUE Speed limit Speed optimization
(with bunker levy)
Timing of measure within
IMO Initial Strategy
Short-term Medium-term
Reduce GHG emissions Yes Yes
Apply the polluters pay
principle
No Yes
Internalize the external
costs of GHG emissions
No Yes
Collect monies for out-of-
sector emissions reductions,
LDCs or SIDS
No Yes
Short term effect: freight
rate increase
Yes Yes
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16 May 2019MS SEMINAR61 DTU Management
Comparison speed limit vs levy ii
ISSUE Speed limit Speed optimization
(with bunker levy)
Long term effect: build
more ships
Yes Yes (less pronounced)
Market distortions Considerable None
Increase in lifecycle GHG
emissions
Higher Lower
Burden to administer Considerable Low
Enforcement Difficult to impossible Tractable
Incentive to economize and
improve efficiency
No Yes
Compatible with virtual
arrival
No Yes
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16 May 2019MS SEMINAR62 DTU Management
Most important
•Speed limit would provide no incentive to develop the new fuels and energy saving technologies that would significantly reduce GHGs
•Would penalize energy efficient ships by forcing them to sail at the same speed with their inefficient competitors
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16 May 2019MS SEMINAR63 DTU Management
Other GHG-related issues
• Consider concrete proposals for assessing the impacts on States with a view to the finalization of the procedure, noting the discussion at ISWG-GHG 4 on impacts on States;
• Finalize the draft terms of reference for the Fourth IMO GHG Study with a view to approval at MEPC 74;
• Consider concrete proposals on candidate short-term measures, noting the discussion at ISWG-GHG 4 about short-term measures and their categorization;
• Consider concrete proposals on candidate mid-/long-term measures, noting the discussion at ISWG-GHG 4 about mid-/long-term measures and action to address the identified barriers;
• Initiate the development of further actions on capacity-building, technical cooperation, research and development, including support for assessment of impacts and support for implementation of measures; and
• Submit an oral status report to MEPC 74 on Monday, 13 May 2019 and a written report in conjunction with the report of the Working Group to be established at MEPC 74.
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16 May 2019MS SEMINAR64 DTU Management
Other GHG-related issues
• Consider concrete proposals for assessing the impacts on States with a view to the finalization of the procedure, noting the discussion at ISWG-GHG 4 on impacts on States;
• Finalize the draft terms of reference for the Fourth IMO GHG Study with a view to approval at MEPC 74;
• Consider concrete proposals on candidate short-term measures, noting the discussion at ISWG-GHG 4 about short-term measures and their categorization;
• Consider concrete proposals on candidate mid-/long-term measures, noting the discussion at ISWG-GHG 4 about mid-/long-term measures and action to address the identified barriers;
• Initiate the development of further actions on capacity-building, technical cooperation, research and development, including support for assessment of impacts and support for implementation of measures; and
• Submit an oral status report to MEPC 74 on Monday, 13 May 2019 and a written report in conjunction with the report of the Working Group to be established at MEPC 74.
![Page 66: The continuing saga of GHG emissions reduction at the IMO](https://reader034.vdocuments.net/reader034/viewer/2022052406/628aa239503af97f701af8c3/html5/thumbnails/66.jpg)
16 May 2019MS SEMINAR65 DTU Management
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16 May 2019MS SEMINAR66 DTU Management
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16 May 2019MS SEMINAR67 DTU Management
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16 May 2019MS SEMINAR68 DTU Management
Other GHG-related issues
• Consider concrete proposals for assessing the impacts on States with a view to the finalization of the procedure, noting the discussion at ISWG-GHG 4 on impacts on States;
• Finalize the draft terms of reference for the Fourth IMO GHG Study with a view to approval at MEPC 74;
• Consider concrete proposals on candidate short-term measures, noting the discussion at ISWG-GHG 4 about short-term measures and their categorization;
• Consider concrete proposals on candidate mid-/long-term measures, noting the discussion at ISWG-GHG 4 about mid-/long-term measures and action to address the identified barriers;
• Initiate the development of further actions on capacity-building, technical cooperation, research and development, including support for assessment of impacts and support for implementation of measures; and
• Submit an oral status report to MEPC 74 on Monday, 13 May 2019 and a written report in conjunction with the report of the Working Group to be established at MEPC 74.
![Page 70: The continuing saga of GHG emissions reduction at the IMO](https://reader034.vdocuments.net/reader034/viewer/2022052406/628aa239503af97f701af8c3/html5/thumbnails/70.jpg)
16 May 2019MS SEMINAR69 DTU Management
Other GHG-related issues
• Consider concrete proposals for assessing the impacts on States with a view to the finalization of the procedure, noting the discussion at ISWG-GHG 4 on impacts on States;
• Finalize the draft terms of reference for the Fourth IMO GHG Study with a view to approval at MEPC 74;
• Consider concrete proposals on candidate short-term measures, noting the discussion at ISWG-GHG 4 about short-term measures and their categorization;
• Consider concrete proposals on candidate mid-/long-term measures, noting the discussion at ISWG-GHG 4 about mid-/long-term measures and action to address the identified barriers;
• Initiate the development of further actions on capacity-building, technical cooperation, research and development, including support for assessment of impacts and support for implementation of measures; and
• Submit an oral status report to MEPC 74 on Monday, 13 May 2019 and a written report in conjunction with the report of the Working Group to be established at MEPC 74.
![Page 71: The continuing saga of GHG emissions reduction at the IMO](https://reader034.vdocuments.net/reader034/viewer/2022052406/628aa239503af97f701af8c3/html5/thumbnails/71.jpg)
16 May 2019MS SEMINAR70 DTU Management
Other GHG-related issues
• Consider concrete proposals for assessing the impacts on States with a view to the finalization of the procedure, noting the discussion at ISWG-GHG 4 on impacts on States;
• Finalize the draft terms of reference for the Fourth IMO GHG Study with a view to approval at MEPC 74;
• Consider concrete proposals on candidate short-term measures, noting the discussion at ISWG-GHG 4 about short-term measures and their categorization;
• Consider concrete proposals on candidate mid-/long-term measures, noting the discussion at ISWG-GHG 4 about mid-/long-term measures and action to address the identified barriers;
• Initiate the development of further actions on capacity-building, technical cooperation, research and development, including support for assessment of impacts and support for implementation of measures; and
• Submit an oral status report to MEPC 74 on Monday, 13 May 2019 and a written report in conjunction with the report of the Working Group to be established at MEPC 74.
![Page 72: The continuing saga of GHG emissions reduction at the IMO](https://reader034.vdocuments.net/reader034/viewer/2022052406/628aa239503af97f701af8c3/html5/thumbnails/72.jpg)
16 May 2019MS SEMINAR71 DTU Management
Is ANY decision on speed limits likely?
•ADOPT
•REJECT
•CONTINUE DISCUSSION
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16 May 2019MS SEMINAR72 DTU Management
Is ANY decision on speed limits likely?
•ADOPT
•REJECT
•CONTINUE DISCUSSION
•(remember, IMO only has toconsider measures!)
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16 May 2019MS SEMINAR73 DTU Management
Personal opinion
• BIG MESS if speed limits are adopted
• I do not see it coming
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16 May 2019MS SEMINAR74 DTU Management
Appendix: Speed papers
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16 May 2019MS SEMINAR75 DTU Management
Ship speed and Siberia
•Use logit models to estimate modal shifts
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16 May 2019MS SEMINAR76 DTU Management
Speed taxonomy paper
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16 May 2019MS SEMINAR77 DTU Management
•One ship model •Fleet model
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16 May 2019MS SEMINAR78 DTU Management
Combining speed and routing decisions
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16 May 2019MS SEMINAR79 DTU Management
Combining speed and routing decisions ii
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16 May 2019MS SEMINAR80 DTU Management
Speed and ECAs (emission control areas)
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16 May 2019MS SEMINAR81 DTU Management
Speed and ECAs ii
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16 May 2019MS SEMINAR82 DTU Management
Dynamic speed
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16 May 2019MS SEMINAR83 DTU Management
Speed with flexible frequencies
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16 May 2019MS SEMINAR84 DTU Management
Most recently
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16 May 2019MS SEMINAR85 DTU Management
Latest