Vessel Speed Reduction (VSR) Maggay_En.pdf · Vessel Speed Reduction (VSR) ! One of Many Options...
Transcript of Vessel Speed Reduction (VSR) Maggay_En.pdf · Vessel Speed Reduction (VSR) ! One of Many Options...
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Vessel Speed Reduction (VSR)
� One of Many Options for Reducing Ship Emissions � Fuel Switch � On-Shore Power � Vessel Speed Reduction (VSR) � Emission Reduction Technologies � Energy Efficiency Measures
� Pollutant Consideration & Effectiveness � Port Domain Perspective
� NOx, PM2.5, PM10, DPM, & SOx – Good Option for Reducing Regional & Local Health-Based Emissions/Impacts
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Advantages of VSR � Reduces all pollutants � All ships can do it � Short implementation time frame � Utilizing AIS data a program can be verified � Administration of VSR compliance can mostly be
automated (POLA, POLB, PANYNJ, etc) = low administrative support costs
� Reductions have been studied & estimating methods CARB & EPA accepted
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Ship Energy Profile
0 5 10 15 20 25 30 35 40 45
Ene
rgy
Dem
and
(MW
)
Energy (MW) 2 5 7 4 2
Ber
th -
Shan
ghai
Men
uv -
Dep
art
PZ
Men
uv -
Arr
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Ber
th L
A
Local International Local
41 Trans Pacific Tr
ans
18
Tran
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17
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Factors Influencing Magnitude of Benefits
� Geographical Domain & Geography � Emission Reduction Varies by Port � Coastal Ports – Good Potential to Reduce Open-Water Portion of
Ship Transit Emissions � Limited by Geography & Domain Extent � Limited by Transitional Areas
� Inland Ports – Limited Effect on Constrained Waterway Transit Emissions � Vessel Safety is Paramount � Speed Typically Already Reduced Due to Constrained Waterways � Pilot Time Limits
� Vessel Related Factors � Average Speeds Prior to Program Start � Large Auxiliary Loads are Primary Constraining Factor � Fleet Mix & Next Port
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Slow Steaming Examples
Port of Seattle Port of Tacoma Port Authority of New York &
New Jersey
Port of Oakland
Port of Los Angeles Port of Long Beach
Port of San Diego Port of Houston Authority
Evaluated Active Innovations/Challenges/Barriers Port Driver VSR VSR Start Distance Implmn. to
Program? Program? (nm) Method Implementation Port of Los Angeles NOx/DPM ✔ ✔ 2001 20/40 Vol/Inc Dockside work gang assignment moved to VSR boundaries Port of Long Beach NOx/DPM ✔ ✔ 2001 20/40 Vol/Inc Marine exchange/USCG participation; Green Flag Program Port San Diego NOx ✔ ✔ 2009 20 Vol/Inc Set Cruiseship Speed to 15 knots & all others 12 knots Port of Oakland NOx ✔ Ships already slow to 10 knots @ Bay Bridge; Strong currents Port of Seattle PM ✔ Ships gradually slow naturally; Added costs; Strong currents Port of Tacoma PM ✔ Ships gradually slow naturally; Added costs; Strong currents Port Authority of NY & NJ NOx ✔ ✔ 2010 20 Vol/Inc Set VSR speed limit to match right whale Port of Houston Authority NOx ✔ Ships in nonattainment area already constrained by ship channel
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VSR Examples – San Diego
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VSR Examples – New York/New Jersey
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VSR Examples – Pacific Northwest
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VSR Example � San Pedro Bay Ports (SPBP) Developed First VSR Program –
� Implementation Date: October 2001 � Implementation Approach: Voluntary/Incentive � Status: Ongoing � Vessel Types: All � Drivers
� Extreme NOx Nonattainment � Coastal Ports w/Beneficial Geographical Domain � Public, Regulatory, & Board Pressure to Reduce NOx
� Participants in Development of Program: � Port of Los Angeles (POLA) � Port of Long Beach (POLB) � Marine Exchange � US Coast Guard � California Air Resources Board (CARB) � South Coast Air Quality Management District � Pacific Merchants Shipping Association (PMSA)
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VSR Domain
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VSR Compliance
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
POLA 20 nm POLA 40 nm
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
POLB 20 nm POLB 40 nm
� SPBP Vessel Speed Reduction (VSR) Program – � Compliance History
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VSR Monitoring
� Vessel Tracking Service – Marine Exchange � AIS and Radar to track speeds � Speed measurements taken 5 nm increments
� Administration � Port of LA Environmental Database � Monthly upload of Marine Exchange Data
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Summary
� Effective Emission Reduction Strategy � Considerations for New VSR Programs
� Drivers � Constraints � Fleet Mix � Existing conditions/activities
� Monitoring � On-going program = automation