IMO における GHG 排出規制の動向

海上技術安全研究所報告　第 9 巻　第 4 号　特集号（平成 21 年度）小論文
75
IMO ࡟࠾ࡅࡿ GHG ᤼ฟつไࡢືྥ
ྜྷ⏣
බ୍㸨
Recent Movement of International Rules Regarding Greenhouse Gas
Emission from Ships in the International Maritime Organization
by
Koichi Yoshida
㸬ࡲ࠼ࡀࡁ
ᆅ⌫ ᬮ໬ࡣ⌧ᅾࠊᆅ⌫඲యࡢၥ㢟࡜ࡋ࡚኱ࡁࡃ
ྲྀࡾୖࡆࡽࢀ࡚࠸ࡿࠋᅜ㝿⯟ᾏ࡟ᚑ஦ࡍࡿ⯪⯧ࡀ᤼
ฟࡍࡿ ᐊຠᯝ࢞ࢫ(GHG)ࡣࠊ2007 ᖺ᫬Ⅼ࡛ࡣேⅭ
ⓗ࡞ GHG ᤼ฟ඲యࡢ 2.7%࡛࠶ࡿࡀࠊᅜ㝿ᾏ஦ᶵ㛵
(IMO: International Maritime Organization)ࡣࠊ
ᅜ㝿⯟⾜⯪⯧࠿ࡽࡢ GHG ᤼ฟࡢ๐ῶ࡟ྲྀࡾ⤌ࢇ࡛
࠸ࡿࠋࡑࡢྲྀࡾ⤌ࡳࡣ኱ࡁࡃศࡅ࡚ࠊᢏ⾡ⓗ࡞ྲྀࡾ
⤌ࡳ࡜⤒῭ⓗ࡞ྲྀࡾ⤌ࡳࡢ㸰ࡘ࡟ศࡅࡽࢀࡿࡀࠊᮏ
✏ࡣࠊIMO ࡟࠾ࡅࡿᅜ㝿⯪⯧࠿ࡽࡢ GHG ᤼ฟつไ
ࡢᢏ⾡ⓗ࡞ྲྀࡾ⤌ࡳࡢືྥࢆ⤂௓ࡋࠊࡑࡢ⾜᪉ࢆㄽ
ࡌࡿࠋ
Nations Framework Convention on Climate
Change)ࢆ 1992 ᖺ࡟⥾⤖ࡋࡓࠋ
ࡇ ࡢ UNFCCC ࡢ ୗ ࡛ ࠊ ᮲ ⣙ ⥾ ⣙ ᅜ ࡀ స ᡂ ࡋ
1997 ᖺ࡟⥾⤖ࡋࡓி㒔㆟ᐃ᭩ࡣࠊࡑࡢ 2.2 ᮲࡟ࠕ㝃
ᒓ᭩ I ࡟ᥖࡆࡿ⥾⣙ᅜ(ඛ㐍ᅜ)ࡣࠊᅜ㝿Ẹ㛫⯟✵
ᶵ㛵ཬࡧᅜ㝿ᾏ஦ᶵ㛵ࢆ㏻ࡌ࡚ࠊ⯟✵ᶵ⏝ཬࡧ⯪
⯧ ⏝ ࡢ ⇞ ᩱ ࠿ ࡽ ࡢ ᐊ ຠ ᯝ ࢞ ࢫ (GHG)ࡢ ᤼ ฟ ࡢ
ᢚไཪࡣ๐ῶࢆ㏣ồࡍࡿࠋࠖ࡜ᐃࡵࡓࠋࡲࡓࠊி㒔
㆟ᐃ᭩ࢆ᥇ᢥࡋࡓ➨ 3 ᅇຍ┕ᅜ఍㆟ COP3 ࡣࠊ
ࠕᅜ㝿⯟⾜⯪⯧࠿ࡽ᤼ฟࡉࢀࡿ GHG ࡣᅜูࡢ᤼
ฟ㔞࡟ࡣධࢀ࡞࠸࡛ࠊู㏵ሗ࿌ࡍࡿࡇ࡜ࠖ᪨ࡢỴ
㆟ࢆ᥇ᢥࡋࡓࠋ
㸬ᅜ㝿ᾏ஦ᶵ㛵࡟࠾ࡅࡿ⤒⦋
㸬ᅜ㐃࡟࠾ࡅࡿ⤒⦋
ᅜ㐃ࡣࠊேⅭⓗ࡞ᆅ⌫ ᬮ໬ࡢഴྥ࡟╔┠ࡋࠊே
Ⅽⓗ࡞Ẽೃኚືࢆࢥࣥࢺ࣮ࣟࣝࡋࠊᣢ⥆ྍ⬟࡞Ⓨᒎ
ࢆ┠ᣦࡋ࡚ࠊẼೃኚືᯟ⤌᮲⣙(UNFCCC㸸United
㸨
ᅜ㝿ᾏ஦ᶵ㛵ࡣࠊࡇࢀࡽࡢᅜ㐃㛵ಀࡢྜពࡢୗ
࡛ࠊᅜ㝿⯟⾜⯪⯧࠿ࡽ᤼ฟࡉࢀࡿ GHG ࡟㛵ࡋ࡚ࠊ
ࡑࡢᾏὒ⎔ቃಖㆤጤဨ఍(MEPC)࡟࠾࠸᳨࡚ウ ࢆ
㛤ጞࡋࠊ2000 ᖺ࡟ሗ࿌᭩ࢆࡲ࡜ࡵࡓ 1) ࠋIMO ࡣ
ᅜ㝿㐃ᦠࢭࣥࢱ࣮
ཎ✏ཷ௜ ᖹᡂ 21 ᖺ 11 ᭶ 30 ᪥
ᑂ ᰝ ῭ ᖹᡂ 21 ᖺ 12 ᭶ 7 ᪥
76
ࡉࡽ࡟ࠊ2003 ᖺࡢ➨ 23 ᅇ⥲఍࡟࠾࠸࡚ࠊIMO ࡢᅜ
㝿⯟⾜⯪⯧࡟㛵ࢃࡿ GHG ࡟㛵ࡍࡿ࣏ࣜࢩ࣮ࢆ⥲఍
Ỵ㆟ A,963(23)࡜ࡋ࡚᥇ᢥࡋࡓ 2) ࠋ
A.963(23) ࡢ ㊃ ᪨ ࡣ ௨ ୗ ࡢ ࡜ ࠾ ࡾ ࡛ ࠶ ࡿ ࠋ
x GHG ᤼ ฟ ࡢ ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࢆ タ ᐃ ࡍ ࡿ ࡇ ࡜
x ⯪ ⯧ ࠿ ࡽ ࡢ GHG ᤼ ฟ ࢆ ♧ ࡍ ຠ ⋡ ᣦ ᶆ ( ࢖ ࣥ
ࢹ ࢵ ࢡ ࢫ )ࢆ 㛤 Ⓨ ࡍ ࡿ ࡇ ࡜
x ⯪ ⯧ ࠿ ࡽ ࡢ GHG ᤼ ฟ ຠ ⋡ ᣦ ᶆ ࢆ 㐺 ⏝ ࡍ ࡿ
௙⤌ࡳࢆ㛤Ⓨࡍࡿࡇ࡜
x ⯪ ⯧ ࠿ ࡽ ࡢ GHG ᤼ ฟ ࢆ ไ ᚚ ࡍ ࡿ ᢏ ⾡ ⓗ ࠊ㐠
⯟ⓗཬࡧ⤒῭ⓗ࡞ᡭἲࢆ᳨ウࡍࡿࡇ࡜
x GHG ᤼ ฟ ሗ ࿌ ࡢ ௙ ⤌ ࡳ ࢆ ᳨ ウ ࡍ ࡿ ࡇ ࡜
x సᴗィ⏬ࢆసᡂࡍࡿࡇ࡜
x IMO ࡢ ࣏ ࣜ ࢩ ࣮ ࡜ ᐇ ⾜ ᪉ ἲ ࢆ ⥅ ⥆ ࡋ ࡚ ᳨ ウ
ࡍࡿࡇ࡜
x UNFCCCࠊ ICAO ࡜ ࡢ 㐃 ᦠ ࡢ ⥔ ᣢ
IMO ࡢ ᾏ ὒ ⎔ ቃ ಖ ㆤ ጤ ဨ ఍ (MEPC) ࡣ ࠊࡇ ࡢ
Ỵ㆟ࡢୗ࡛ࠊᥖࡆࡽࢀࡓసᴗࢆ㐙⾜ࡋ࡚࠸ࡿࠋ
࣭National Maritime Research Institute (NMRI),
Japan
࣭ Ocean Policy Research Foundation (OPRF),
Japan
ࡲ࡛ࡢ *+* ᤼ฟ⟬ᐃ
ᅜ㝿ࢥࣥࣥࢯ࣮ࢩ࢔࣒ࡣࠊᾏୖᢏ⾡Ᏻ඲◊✲ᡤ
ࡀᥦ౪ࡋࡓࢹ࣮ࢱࢆᇶ࡟ࠊᅜ㝿⯟⾜⯪⯧ࡢ୍㒊ࡢ
㐠⯟≧ἣࢆ AIS ࡛㏣㊧ࡋ࡚ࡇࡢࢹ࣮ࢱࢆࢳ࢙ࢵࢡ
ࡋ࡚ಟṇࡋࠊ௨ୗࡢࡼ࠺࡟ࠊ2007 ᖺࡲ࡛ࡢࠊᅜ㝿
⯟ ⾜ ⯪ ⯧ ࠿ ࡽ ࡢ ஧ 㓟 ໬ Ⅳ ⣲ (CO 2 )ࡢ ᤼ ฟ 㔞 ࢆ ⾲ -1
ཬࡧᅗ-1 ࡢࡼ࠺࡟⟬ฟࡋࡓࠋ
⾲-1 2007 ᖺࡲ࡛ࡢᅜ㝿⯟⾜⯪⯧࠿ࡽࡢ஧㓟໬Ⅳ
⣲(CO 2 )ࡢ᤼ฟ㔞(൨ࢺࣥ)
1990 1992
ᖺ
CO 2 (൨ ton) 4.68 4.98
2000 2002
ᖺ
CO 2 (൨ ton) 6.47 6.60
1994
5.35
2004
7.35
1996
5.65
2006
8.38
1998
5.90
2007
8.70
㸬,02 ࡢ *+* ࡟㛵ࡍࡿ ᖺㄪᰝሗ࿌᭩
450
ᅜ 㝿 ࢥ ࣥ ࢯ ࣮ ࢩ ࢔ ࣒ ࡢᵓᡂ
௨ ୗ ࡢ ᶵ 㛵 ࡀ ᅜ 㝿 ࢥ ࣥ ࢯ ࣮ ࢩ ࢔ ࣒ (ᾏ ୖ ᢏ ⾡ Ᏻ ඲
◊ ✲ ᡤ ࡶ ྵ ࡴ )ࢆ ᙧ ᡂ ࡋ ࠊ ⯟ ⾜ ⯪ ⯧ ࠿ ࡽ ᤼ ฟ ࡉ ࢀ ࡿ
GHG ࡟㛵ࡍࡿㄪᰝࢆ IMO ࠿ࡽཷクࡋࠊ2009 ᖺ 7
᭶࡟㛤ദࡉࢀࡓ MEPC ࡢ➨ 59 ᅇ఍㆟࡟᭱⤊ሗ࿌ࢆ
ᥦฟࡋࡓ 4) ࠋ
࣭MARINTEK, Norway (࣮ࣜࢲ࣮)
࣭CE Delft, The Netherlands
࣭Dalian Maritime University, China
࣭Deutsches Zentrum für Luft- und Raumfahrt e.V
(DLR), Germany
࣭DNV, Norway
࣭Energy and Environmental Research Associates
(EERA), USA
࣭Lloyd’s Register – Fairplay Research, Sweden
࣭Manchester Metropolitan University, UK
࣭Mokpo National Maritime University (MNMU),
Korea
Thisstudy
400
350
Fuel Consumption (Million tons)
⇞ᩱᾘ㈝㔞䠄ⓒ୓䝖䞁䠅
MEPC ࡣ 2007 ᖺ 7 ᭶ࡢ➨ 56 ᅇ఍㆟(MEPC56)
࡟࠾࠸࡚ࠊMEPC45 ࡀసᡂࡋࡓሗ࿌ 1) ࡀ 10 ᖺ๓ࡢ
ࢹ࣮ࢱ࡛࠶ࡾࠊ⌧≧࡟ࡑࡄࢃ࡞࠸ࡇ࡜ࢆㄆ㆑ࡋࠊᅜ
㝿⯟⾜⯪⯧࠿ࡽ᤼ฟࡉࢀࡿ GHG ࡟㛵ࡋ࡚෌ᗘㄪᰝ
ࡍࡿࡇ࡜࡟ྜពࡋ 3) ࠊࡑࡢసᴗࢆᅜ㝿ࢥࣥࢯ࣮ࢩ࢔
࣒࡟ጤクࡋࡓࠋᅜ㝿ࢥࣥࢯ࣮ࢩ࢔࣒ࡣࠊࡑࡢ᭱⤊ሗ
࿌ 4) ࢆ MEPC59 ఍㆟࡟ሗ࿌ࡋࡓࠋࡇࡢ㡯ࡣࠊࡇࡢሗ
࿌᭩ࡢᴫせࢆ⤂௓ࡍࡿࠋ
IMO
Expert
Group (Freight-Trend), 2007
IMO
SOxㄪᰝ䛾⤖ᯝ
Endresen et al., JGR, 2007
Endresen et al (Freight-Trend)., JGR, 2007
300
EIATotal marine fuel sales
Point Estimatesfromthe Studies
250
TIMO
hisstudyGHGㄪᰝ䛾⤖ᯝ
(Freight trend)
200
150
100
50
0
1950
1960
1970
1980
1990
2000
ᅗ-1 2007 ᖺࡲ࡛ࡢᅜ㝿⯟⾜⯪⯧ CO 2 ᤼ฟ⟬ᐃ
ࡍ࡞ࢃࡕࠊ2007 ᖺ࡟ࡣࠊᅜ㝿⯟⾜⯪⯧࠿ࡽࡢ஧
㓟 ໬ Ⅳ ⣲(CO 2 )ࡢ ᤼ ฟ 㔞 ࡣ ࠊ 㸶 ൨ 㸵 ༓ ୓ ࢺ ࣥ ࡛ ࠶
ࡗࡓ࡜ሗ࿌ࡋࡓࠋ
ࡉࡽ࡟ࠊ2000 ᖺࡢሗ࿌᭩ࡣࠊ⯪⯧⇞ᩱࡢ⯪⯧࡬
ࡢᡶฟࡋ㔞࡟ᇶ࡙࠸࡚ CO 2 ࡢ᤼ฟ㔞ࢆ⟬ᐃࡋࡓ
ࡀࠊ⯪⯧⇞ᩱࡢᡶฟࡋ㔞⤫ィࡣࠊᅜẖ࡟⤫ィࡢྲྀ
ࡾ᪉ࡀ␗࡞ࡾࠊࡲࡓࡑࡢ⤫ィࡀ୙☜࡞ᅜࡀከ࠸࡞
࡝୙☜ᐃせ⣲ࡀከࡃಙ㢗ᛶ࡟ḞࡅࡿࡓࡵࠊCO 2 ࡢ
᤼ฟ㔞ࡣ⯪⯧ࡢᐇ㝿ࡢ㐠⯟≧ἣ࡟ᇶ࡙࠸࡚⟬ᐃࡍ
࡭ࡁ࡛࠶ࡿ࡜⤖ㄽࡋࡓࠋ
ࡲࡓᅜ㝿ࢥࣥࣥࢯ࣮ࢩ࢔࣒ࡣࠊGHG ࡟ࡣᩘ✀
㢮ࡢ࢞ࢫࡀ࠶ࡿࡀࠊ⯪⯧ࡢሙྜࡣࠊᶵ㛵࠿ࡽࡢ᤼
Ẽ࢞ࢫ୰ࡢ CO 2 ࡀ኱㒊ศࢆ༨ࡵࡿࡇ࡜ࡶሗ࿌ࡋ
2010
海上技術安全研究所報告　第 9 巻　第 4 号　特集号（平成 21 年度）小論文
ࡓࠋࡍ࡞ࢃࡕࠊCO 2 㸸95.7%ࠊNOx㸸2.3%ࠊSOx㸸
1.4%ࠊࡑࡢ௚ 0.6%࡛࠶ࡿࠋ
ࡉࡽ࡟ᅜ㝿ࢥࣥࣥࢯ࣮ࢩ࢔࣒ࡣࠊ⯪✀ูࡢ㈌≀⛣
ື(ࢺࣥ㺃km)ᙜࡾࡢ CO 2 ࡢ᤼ฟ㔞(gCO 2 /ton*km ㈌
≀)ࢆ⟬ฟࡋࡓ(ᅗ-2)ࠋ
⯪ࡢ㍕Ⲵ㈌≀ ᙜࡾ ࡢ⇞ ᩱᾘ ㈝ࡍ ࡞ࢃ ࡕ CO 2 ᤼ฟ
㔞ࡣ⯪ࡢ኱ࡁࡉ࡟౫Ꮡࡍࡿࡀࠊ㝣ୖ㍺㏦࡟ẚ࡭࡚ࠊ
⯪⯧ࡣ᱁ẁ࡟⇞ᩱຠ⋡ࡀⰋ࠸ࠋ
77
࣭⯪⯧ࡢ࢚ࢿࣝࢠຠ⋡ࡢྥୖࠊཬࡧ㐠⯟ຠ⋡ࡢྥ
ୖ࡟ࡼࡿ⇞ᩱࡢ๐ῶࢆࠊ2020 ᖺ࡛ᖹᆒ 12%ࠊ
2050 ᖺ࡛ᖹᆒ 39%࡜ぢ㎸ࡴࠋ
௨ୖࡢ᮲௳ࡢୗ࡟ࠊ2050 ᖺࡲ࡛ࡢ⯪⯧࠿ࡽࡢ
CO 2 ᤼ฟ㔞ࡢᖺḟቑຍࢆ⾲-2 ࡢࡼ࠺࡟ண ࡋࡓࠋ
ࡇࢀ࡟ᇶ࡙࠸࡚ࠊ2020 ᖺཬࡧ 2050 ᖺ࡟࠾ࡅࡿᅜ
㝿⯟⾜⯪⯧࠿ࡽࡢ CO 2 ᤼ฟ㔞ࢆ⾲-3 ཬࡧᅗ-3 ࡢ
ࡼ࠺࡟ண ࡋࡓࠋ
⾲-2 ⯪⯧࠿ࡽࡢ CO 2 ᤼ฟ㔞ࡢᖺḟቑຍ
ࢩࢼࣜ࢜
ᖹᆒ
᭱኱
᭱ᑠ
A1
2.7%
5.2%
㸫0.4%
A2
2.2%
4.4%
㸫0.6%
B1
2.1%
4.3%
㸫0.7%
B2
1.9%
3.9%
㸫0.8%
ཎἜ䝍䞁䜹䞊
LNG
୍⯡㈌≀⯪
䝸䞊䝣䜯䞊
䜿䝭䜹䝹䝍䞁䜹䞊
䜀䜙✚䜏㈌≀⯪
䜀䜙✚䜏㈌≀⯪
䝁䞁䝔䝘⯪
LPG⯪
Scenarios for CO2 emissions from International Shipping from
ᅜ㐃UNFCCC/IPCC䛾⤒῭Ⓨᒎ䝅䝘䝸䜸䛻ᇶ䛵䛔䛶
2007 to 2050 in the absence of climate policies
⯪⯧䛾ື䛝䜢ண 䛧䚸CO2᤼ฟ㔞䜢⟬ฟ䛧䛯
R oR o/㌴୧✚㍕⯪
㕲㐨
㐨㊰䝖䝷䝑䜽
0
50
100
150
200
250
300
g C O 2 / ton*km
ᅗ-2 ⯪✀ู CO 2 ᤼ฟ㔞ẚ㍑(gCO2/ton*km ㈌≀)
ᖺࡲ࡛ࡢ⯪⯧ࡢ *+* ᤼ฟண ᅜ㝿ࢥࣥࢯ࣮ࢩ࢔࣒ࡣࠊUNFCCC ࡢ୰ࡢࢢ࣮ࣝ
ࣉ (Intergovernmental
Panel
on
Climate
Change :IPCC)ࡀᰝᐃࡋࡓ 2050 ᖺࡲ࡛ࡢ⤒῭ᡂ㛗
ண (SRES storylines) 5) 6) ࢆ ⪃ ៖ ࡋ ࡚ ᅜ 㝿 ᾏ 㐠 ࡢ
2050 ᖺࡲ࡛ࡢ㐍ᒎࢆ⪃࠼ࡓࠋࡇࡇ࡛ࡢࢩࢼࣜ࢜ࡣࠊ
A1㸸ᛴ㏿࡞⤒῭Ⓨᒎ࡜ேཱྀቑຍࠋࢢ࣮ࣟࣂࣝ໬ࠋ⎔
ቃ࡬ࡢ㓄៖ࡼࡾࡶಶேࡢ㇏࠿ࡉࠋ
A1FI㸸ᘬࡁ⥆ࡁ໬▼⇞ᩱࡢ฼⏝ࠋ
A1B㸸ᢏ⾡ࡢ㐍ᒎ࡟ࡼࡾ⬺໬▼⇞ᩱࡢ㐍ᒎࠋ
A1T㸸⇞ᩱ฼⏝ࡢࣂࣛࣥࢫࡢ㐍ᒎࠋ
A2㸸ᛴ㏿࡞ேཱྀቑຍ࡜ᆅᇦ᱁ᕪࡢᣑ኱ࠋ⤒῭ࡢᆅᇦ
ᛶࡢቑຍࠋ
B1㸸ேཱྀቑຍࡀ࠶ࡿ୍᪉࡛⤒῭ࡢ཰ᩡ໬ࠋࢧɆࣅࢫ
࡜᝟ሗࡢࢢ࣮ࣟࣂࣝ࡞Ⓨᒎࡢ୍᪉࡛≀㉁⏕⏘
ࡣ཰ᩡࠋ⎔ቃ࡬ࡢ㓄៖ࡢ㐍ᒎࠋ
B2㸸⤒῭Ⓨᒎࡢ཰ᩡ࡜ᆅᇦ໬ࡢ㐍⾜ࠋ⎔ቃ࡬ࡢ㓄៖
ࡢ㐍ᒎࠋ
⯪⯧࡟㛵ࡋ࡚ࡣࠊḟࡢࡼ࠺࡟௬ᐃࡋࡓࠋ
࣭▷ᅜ㝿⯟ᾏ⯪࡛ࡣࠊ≀ὶࡢຠ⋡໬ࡀ㐍ࡴࠋ
࣭እὒ⯟ᾏ⯪࡛ࡣࠊ኱ᆺ໬࡟ࡼࡿຠ⋡໬ࡀ㐍ࡴࠋ
࣭࠸ࡎࢀࡢሙྜࡶࢥࣥࢸࢼ໬ࡀ㐍ࡴࠋ
CO2 emissions
from ships (million tons CO2 / yr)
CO2᤼ฟண ್䠄ⓒ୓䝖䞁/ᖺ䠅
䝥䝻䝎䜽䝖䝍䞁䜹䞊
8000
A1FI
7000
6000
5000
4000
A1B
A1T
A2
UNFCCC/IPCC䛻䜘䜛
⤒῭Ⓨᒎ䝅䝘䝸䜸
B1
B2
Max
2007ᖺ䛾
3ಸ௨ୖ
Min
3000
2000
1000
0
2000
2010
2020
2030
2040
2050
ᅗ-3 2050 ᖺࡲ࡛ࡢᅜ㝿⯟⾜⯪⯧ CO 2 ᤼ฟ㔞ண ⾲-3 ᅜ㝿⯟⾜⯪⯧࠿ࡽࡢ CO 2 ᤼ฟண (ⓒ୓ࢺࣥ)
㺚㺣㺶㺓
2020 ᖺ
2050 ᖺ
ᖹᆒ ᭱኱ ᭱ᑠ ᖹᆒ ᭱኱ ᭱ᑠ
A1FI 1058 1440 689 2648 7728 693
A1B 1057 1447 689 2681 7344 694
A1T 1058 1447 689 2668 7341 689
A2
982 1275 663 2194 5426 638
B1
959 1252 657 2104 5081 617
B2
925 1160 645 1903 4407 589
ᖺࡲ࡛ࡢୡ⏺ⓗືྥண ࡜⯪⯧
ᆅ⌫ ᬮ໬ࡢ㜵Ṇࡢ✲ᴟࡢ┠ⓗࡣࠊẼ ࡢୖ᪼
ࢆᢚ࠼ࡿࡇ࡜࡛࠶ࡿࠋࡑࡢࡓࡵ࡟ࡣࠊ኱Ẽ୰ࡢ
GHG ࡢቑຍࢆ୍ᐃ್࡟ᢚ࠼ࡿࡇ࡜ࡀᚲせ࡛࠶ࡾࠊ
ࡑࡢࢩࢼࣜ࢜࡟㛵ࡋ࡚ࡣࠊUNFCCC ࡢෆእ࡛✀ࠎ
ࡢ ㆟ ㄽ ࡀ ࡞ ࡉ ࢀ ࡚ ࡁ ࡚ ࠸ ࡿ 5) ࠋ ࡑ ࠺ ࡋ ࡓ ୰ ࡛ ࠊ
WRE ࢩࢼࣜ࢜ 7) ࡀ IPCC ࡟࠾࠸࡚ࡶ╔┠ࡉࢀ࡚
࠸ࡿࠋࡍ࡞ࢃࡕࠊ
78
࣭኱Ẽ୰ CO 2 ࢆ 550ppm ࡟ಖࡘ࡜ ᗘୖ᪼ࡣ 2Υ
ࢆ㉸࠼ࡿࠋ
࣭኱Ẽ୰ CO 2 ࢆ 450ppm ࡟ಖࡘ࡜ ᗘୖ᪼ࡣ 50%
ࡢ☜⋡࡛ 2Υᮍ‶࡟ᢚ࠼ࡽࢀࡿࠋ
CO 2 ࡢ኱Ẽ୰ࡢᑑ࿨ࡣ୍⯡ⓗ࡟ 300 ᖺ࡜ࡉࢀ࡚࠸
ࡿࡀࠊࡇࢀࡣ኱ẼࠊᾏỈཬࡧ㝣ୖࡢ≧ἣ࡛ኚ໬ࡍࡿࠋ
2100 ᖺ࡟኱Ẽ୰ࡢ CO 2 ࡢ㔞ࢆ 550ppm ࠶ࡿ࠸ࡣ
450ppm ࡟ಖࡘࡓࡵ࡟ࡣࠊCO 2 ࡢⓎ⏕㔞ࢆᢚไࡍࡿ
ᚲせࡀ࠶ࡿࠋᅗ-㸲ࡣࠊᅜ㝿ࢥࣥࢯ࣮ࢩ࢔࣒ࡀࠊWRE
ࡢࢩࢼࣜ࢜(኱Ẽ୰ࡢ CO 2 ࡢ⃰ᗘࢆ 450ppm ࠶ࡿ࠸
ࡣ 550ppm ࡟ಖࡘ)࡜ࠊᅜ㝿⯪⯧࠿ࡽࡢ CO 2 ᤼ฟண
ࢆࠊ⤫ྜࡋ࡚♧ࡋࡓࡶࡢ࡛࠶ࡿࠋ
550ppm䜈䛾䝅䝘䝸䜸
450ppm䜈䛾
䝅䝘䝸䜸
⯪⯧䛛䜙䛾
CO2᤼ฟ
ᅗ-4 ᗘୖ᪼ᢚไ࡜ CO 2 ᤼ฟᢚไ
࡞ ࠾ ࠊ WRE Ᏻ ᐃ ໬ ࢩ ࢼ ࣜ ࢜ ࡣ CO 2 ⃰ ᗘ Ᏻ ᐃ
໬ ࢆ 㐩 ᡂ ࡍ ࡿ ࡓ ࡵ ࡢ ࣔ ࢹ ࣝ ࡛ ࠶ ࡾ ࠊ SRES ࢱ ࢖
ࣉ ࡢ ᾏ 㐠 ࢩ ࢼ ࣜ ࢜ (᤼ ฟ ᢚ ไ ⟇ ࢆ ⪃ ៖ ࡋ ࡞ ࠸ ሙ
ྜ ࡢ ࢩ ࢼ ࣜ ࢜ )࡜ ࡢ ୧ ❧ ᛶ ࡣ ↓ ࠸ Ⅼ ࡟ ὀ ព ࢆ せ
ࡍ ࡿ ࡶ ࡢ ࡛ ࠊᮏ ᮶ ࡣ ᴫ ᛕ ࡀ ␗ ࡞ ࡾ ୍ ࡘ ࡢ ᅗ ࡟ ⤫
ྜࡍࡿࡢࡣㄗゎࢆᣍࡁ࠿ࡡ࡞࠸ࡶࡢ࡛࠶ࡿࠋ
ᅜ㝿ࢥࣥࢯ࣮ࢩ࢔࣒ࡣࠊWRE450 ཬࡧ 550 ࢩࢼࣜ
࢜࡟ࡼࡿ 2050 ᖺ࡟࠾ࡅࡿ CO 2 ࡢୡ⏺᤼ฟ㔞࡟ᑐࡍ
ࡿᅜ㝿⯟⾜⯪⯧࠿ࡽ ࡢ CO 2 ᤼ฟண ್ ࡢ๭ྜࢆ⟬
ฟࡋࠊ⾲-㸲࡟ࡼ࠺࡟♧ࡋࡓࠋ
⾲-㸲 WRE450 ཬࡧ 550 ࢩࢼࣜ࢜࡟ࡼࡿ 2050 ᖺ࡟
࠾ࡅࡿ CO 2 ࡢୡ⏺᤼ฟ㔞࡟ᑐࡍࡿᅜ㝿⯟⾜⯪⯧࠿
ࡽࡢ CO 2 ᤼ฟண ್ࡢ๭ྜ
ࢩࢼูࣜ࢜⯪⯧࠿ࡽࡢ CO 2 ᤼ฟࡢ
CO 2
඲య࡟༨ࡵࡿ๭ྜ(%)
ᖹ⾮⃰ᗘ
A1FI A1B A1T A2
B1
B2
WRE450ppm
17.6 17.9 17.8 14.1 11.3 12.0
࡟༨ࡵࡿ๭ྜ
WRE550ppm
࡟༨ࡵࡿ๭ྜ
9.7
9.9
9.8
7.8
7.4
6.6
WRE ࢩࢼࣜ࢜ࡣࠊ⌧≧ࡢ CO 2 ᤼ฟ㔞࡟ᇶ࡙࠸
࡚⟬ฟࡋࡓࡶࡢ࡛࠶ࡾࠊ௒ᚋࡢ⤒῭Ⓨᒎ࡟㉳ᅉࡍ
ࡿ CO 2 ᤼ฟኚ໬ࢆ⪃៖ࡋ࡚࠸࡞࠸ࡀࠊẼ ࡢᖹ⾮
໬ࡢࡓࡵࡢ CO 2 ᤼ฟᢚไせồ್ࡢ୰࡛ࠊᅜ㝿⯟⾜
⯪⯧࠿ࡽࡢ CO 2 ᤼ฟࡢᐤ୚ࢆ⌮ゎࡋࠊࡑࡢᑗ᮶ࡢ
ᢚไࡢ᪉ྥࢆぢᐃࡵࡿࡓࡵ࡟ࡣࡇࡢẚ㍑ࡣ᭷⏝࡛
࠶ࡿ࡜ࠊᅜ㝿ࢥࣥࢯ࣮ࢩ࢔࣒ࡣ⤖ㄽࡋ࡚࠸ࡿࠋ
⯪⯧࠿ࡽࡢ &2 ᤼ฟపῶࡢྍ⬟ᛶ
ᅜ㝿ࢥࣥࢯ࣮ࢩ࢔࣒ࡣࠊ⯪⯧࠿ࡽࡢ CO 2 ᤼ฟ๐
ῶ࡟㛵ࡋ࡚⌧ᅾ⪃࠼ᚓࡿᢏ⾡(㐀⯪ཬࡧᾏ㐠)ࢆࢧ
࣮࣋࢖ࡋࠊ⾲-㸳ࡢࡼ࠺࡟ᑗ᮶ྍ⬟ᛶࢆ♧ࡋࡓࠋ
⾲-㸳 ⯪⯧࠿ࡽࡢ CO 2 ᤼ฟ๐ῶྍ⬟㔞ண (㈌≀ ton ᾏ㔛㐠㏦ᙜࡾࡢ CO 2 ᤼ฟ㔞࡛ࡢẚ㍑)
(㈌≀ t-ᾏ㔛ᙜࡾ)
CO 2 ᤼ฟ
⤌ྜࡏ ᪂㐀⯪タ
๐ῶྍ⬟㔞
ィ࡜㐠⯟
ࡢ⤌ྜࡏ
᪂㐀⯪タィ
ᇶᮏタィ,㏿ຊ,㍕
2-50%
Ⲵ㔞
⯪య,ୖ㒊ᵓ㐀
2-20%
10-50%
ᶵ㛵,᥎㐍ࢩࢫࢸ
5-15%
࣒
25-75%
పⅣ⣲⇞ᩱ
5-15%
෌⏕ྍ⬟⇞ᩱ
1-10%
(ኴ㝧,㢼 etc)
CO 2 ᅇ཰
0%
㐠⯟ᥐ⨨(඲⯪⯧)
㺪㺶㺎㺢㺭㺦㺚㺼㺰㺻㺢,
5-50%
10-50%
㺹㺚㺼㺛㺡㺆㺍㺖ᨵၿ
᭱㐺⯟ᾏ,Ⲩኳᅇ
㑊
㺒㺦㺷㺕㺼㺭㺦㺚㺼㺰㺻㺢
1-10%
1-10%
ᅜ㝿ࢥࣥࢯ࣮ࢩ࢔࣒ࡢࡇࡢ⯪⯧࠿ࡽࡢ CO 2 ᤼
ฟ๐ῶྍ⬟㔞ண ࡣࠊ௨ୗࡢཎ๎࡟ἢࡗ࡚ࠊᾏୖ
ᢏ⾡Ᏻ඲◊✲ᡤ࠿ࡽࡢ᝟ሗࡢୗ࡟ࠊᅜ㝿ࢥࣥࢯ࣮
ࢩ࢔࣒ࡢ࣓ࣥࣂ࣮ࡀ᳨ウ఍㆟ࢆ㏻ࡋ࡚ᢳฟࡋࡓࡶ
ࡢ࡛࠶ࡿࠋ
࣭࢚ࢿࣝࢠຠ⋡ࡢᨵၿ(㐀⯪ཬࡧ㐠⯟ࡢ཮᪉)
࣭෌⏕ྍ⬟࢚ࢿࣝࢠ(ኴ㝧ගࠊ㢼࡞࡝)ࡢ฼⏝
࣭CO 2 ࢧ࢖ࢡࣝࡢ୰࡛ CO2 Ⓨ⏕ࡢᑡ࡞࠸⇞ᩱࡢ
౑⏝(ࣂ࢖࢜⇞ᩱࠊኳ↛࢞ࢫ)
࣭CO 2 ᤼ฟపῶᢏ⾡ࡢά⏝(໬Ꮫฎ⌮ࠊCO 2 ㈓ⶶ)
ᅜ㝿ࢥࣥࢯ㸫ࢩ࢔࣒ࡣࠊCO 2 ࡢ㈓ⶶ࡟㛵ࡋ࡚ࡣ
⯪⯧࡛ࡣ┤᥋ࡢᥐ⨨ࡣぢᙜࡓࡽ࡞࠸࡜ࡋࡓࠋ
ᅜ㝿ࢥࣥࢯ㸫ࢩ࢔࣒ࡣࠊࡍ࡭࡚ࡢྍ⬟࡞ᢏ⾡ࡢ
⤌ࡳྜࢃࡏ࡟ࡼࡗ࡚ࠊ⯪⯧࠿ࡽࡢ CO 2 ࡢ᤼ฟ ࡣ
海上技術安全研究所報告　第 9 巻　第 4 号　特集号（平成 21 年度）小論文
25%࠿ࡽ 75%๐ῶ࡛ࡁࡿ࡜ண ࡋࡓࠋణࡋࠊࡇࡢண
ࡢ୰࡟ࡣࠊᇶᮏⓗ࡟ CO 2 ࢆ᤼ฟࡋ࡞࠸⇞ᩱ(᰾⇞
ᩱࠊỈ⣲)ࡢ฼⏝ࡣ⪃࠼࡚࠸࡞࠸ࠋ
㸬,02 ࡢ *+* ࡟㛵ࡍࡿᢏ⾡ⓗᥐ⨨
IMO ⥲ ఍ Ỵ ㆟ A.963(23) ࡢ ᣦ ♧ ࡟ ᚑ ࡗ ࡚ ࠊ
MEPC ࡣ ࠊ GHG ࡟ 㛵 ࡍ ࡿ ᢏ ⾡ ⓗ ᥐ ⨨ ࡜ ࡋ ࡚ ࠊ
⯪ ⯧ ࠿ ࡽ ࡢ GHG ᤼ ฟ ࢆ ♧ ࡍ ຠ ⋡ ᣦ ᶆ ( ࢖ ࣥ ࢹ
ࢵ ࢡ ࢫ ) ࡢ 㛤 Ⓨ ࠊ GHG ᤼ ฟ ࡢ ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࡢ タ
ᐃ ࠊ ཬ ࡧ ⯪ ⯧ ࠿ ࡽ ࡢ G HG ᤼ ฟ ࢆ ไ ᚚ ࡍ ࡿ ᢏ ⾡
ⓗ ᥐ ⨨ ࢆ ᳨ ウ ࡋ ࡚ ࡁ ࡓ ࡀ ࠊ 2009 ᖺ ࡢ MEPC59
ᅇ ఍ ㆟ ࡟ ࠾ ࠸ ࡚ ࠊ᪂ 㐀 ⯪ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ タ ィ ᣦ ᶆ
(EED I) ࠊEEDI ࡢ ㄆ ド ᪉ ἲ ᣦ 㔪 ࠊ㐠 ⯟ ⯪ ࡢ ࢚ ࢿ
ࣝ ࢠ ຠ ⋡ ࣐ ࢿ ࢪ ࣓ ࣥ ࢺ ࣉ ࣛ ࣥ (SEEMP) ࠊཬ ࡧ 㐠
⯟ ⯪ ࡢ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ 㐠 ⯟ ᣦ ᶆ ( EEO I) ࢆ ᏶ ᡂ ࡉ
ࡏ ࠊMEPC ᅇ ❶ ᩥ ᭩ ࡜ ࡋ ࡚ Ⓨ ⾜ ࡋ ࡓ 8 ) 9 ) 1 0 ) 11 ) ࠋ
௨ୗ࡟ࡇࢀࡽ࡟ࡘ࠸࡚㏙࡭ࡿࠋ࡞࠾ࠊ➹⪅ࡣࠊ
2008 ᖺ 10 ᭶ ࡢ MEPC58 ௨ ᮶ ࠊM EP C ࡢ G HG
࡟ 㛵 ࡍ ࡿ స ᴗ 㒊 ఍ (WG) ࡢ ㆟ 㛗 ࢆ 㐙 ⾜ ࡋ ࠊ ࡇ ࢀ
ࡽ ࡢ MEPC/ Circ.స ᡂ ࡟ ᦠ ࢃ ࡗ ࡓ ࠋ
᪂ 㐀 ⯪ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ タ ィ ᣦ ᶆ ((',
Ⓨ ➃ ⯪ ⯧ ࡢ ᐇ ᾏ ᇦ ࡟ ࠾ ࡅ ࡿ CO 2 ᤼ ฟ ࢆ ⟬ ฟ ࡍ ࡿ
᪉ ἲ ࡣ ࠊ ᪥ ᮏ ࡀ 2008 ᖺ 3 ᭶ ࡟ 㛤 ദ ࡉ ࢀ ࡓ
MEPC57 ఍ ㆟ ࡟ ᭱ ึ ࡟ ᥦ ᱌ ࡋ ࡓ 1 2 ) ࠋ ࡑ ࡢ ᪉ ἲ
ࡣࠊ
I
SFC u P u (1 k 2 ) u C
DWT u Vref u k1
ࡇ ࡇ ࡟ ࠊI ࡣ ᪂ 㐀 ⯪ CO 2 ᤼ ฟ ᣦ ᶆ (g/ ( ton㺃n m)) ࠊ
SFC ࡣ ᶵ 㛵 ⇞ ㈝ (g/k Wh)ࠊ P ࡣ ୺ ᶵ ฟ ຊ ( kW)ࠊ
C ࡣ ⇞ ᩱ ࡢ CO 2 ᤼ ฟ ᐃ ᩘ (g CO 2 /g Fuel)ࠊ V r e f
ࡣ ィ ⏬ ᭱ ኱ ⯟ ⥆ ㏿ ᗘ (n m/h)ࠊk 2 ࡣ ⿵ ᶵ ࡢ ฟ ຊ ࢆ
ཧ ධ ࡍ ࡿ ಀ ᩘ ࠊk 1 ࡣ ᐇ ᾏ ᇦ ࡟ ࠾ ࡅ ࡿ ㏿ ຊ ప ῶ ಀ
ᩘ࡛࠶ࡿࠋ
ࢹ ࣥ ࣐ ࣮ ࢡ ➼ ࡶ ᪂ 㐀 ⯪ CO 2 ᤼ ฟ ᣦ ᶆ ࢆ
MEPC 57 ࡬ ᥦ ᱌ ࡋ ࡓ ࠋ MEPC57 ࡣ ࠊ2008 ᖺ 6
᭶ ࡟ ࢜ ࢫ ࣟ ࡟ ࡚ ࠊ GHG ࡟ 㛵 ࡍ ࡿ ୰ 㛫 స ᴗ 㒊 ఍
఍ ㆟ ࢆ 㛤 ദ ࡋ ࠊࡇ ࢀ ࡽ ࡢ ᥦ ᱌ ࢆ ᳨ ウ ࡍ ࡿ ࡇ ࡜ ࡟
ྜពࡋࡓࠋ
*+* ࡟ 㛵 ࡍ ࡿ ࢜ ࢫ ࣟ ୰ 㛫 స ᴗ 㒊 ఍ 2008 ᖺ 6 ᭶ ࡢ GHG ࡟ 㛵 ࡍ ࡿ ࢜ ࢫ ࣟ ୰ 㛫 స ᴗ
㒊 ఍ ఍ ㆟ (G HG-WG 1) ࡛ ࡣ ࠊ ᪥ ᮏ ཬ ࡧ ࢹ ࣥ ࣐ ࣮
ࢡ ࡀ ࡉ ࡽ ࡟ ᪂ 㐀 ⯪ CO 2 ᤼ ฟ ᣦ ᶆ ࢆ ᥦ ᱌ ࡋ ࡓ 1 3 )
1 4 ) ࠋྠ స ᴗ 㒊 ఍ ࡣ ࡇ ࢀ ࡽ ࡢ ᥦ ᱌ ࢆ ᇶ ࡟ ࠊస ᴗ 㒊
఍᱌ࢆ௨ୗࡢࡼ࠺࡟సᡂࡋࡓ
79
15)ࠋ
Attained new ship design CO 2 index =
§ M
· § NME
· § NAE
· § L
·
¨ – f j ¸ ¨ ¦ C FMEi SFCMEi PMEi ¸ ¨¨ – f k ¸¸ ¨ ¦ C FAEi SFC AEi PAEi ¸
¨
¸ i1
¹ © k 1 ¹© i 1
¹
© j 1 ¹©
Capacity u Vref u f W
(ὀ㸸ࡇࡢᘧࡣࠊᚋࡢ఍㆟࡛኱ᖜ࡟ಟṇࡉࢀ࡚࠸ࡿ)
ࡇ ࡇ ࡟ ࠊ Capacity ࡣ ࠊ ㈌ ≀ ⯪ ࡛ ࡣ DWT ࠊ ࢞
ࢫ㐠ᦙ⯪࡛ࡣࢱࣥࢡᐜ✚ࠊࢥࣥࢸࢼ⯪࡛ࡣ
TEU ࡲ ࡓ ࡣ DWT ࠊ f i ཬ ࡧ f j ࡣ ⯪ ✀ ≉ ᭷ ࡢ ಟ
ṇ ಀ ᩘ ࠊ fw ࡣ ᐇ ᾏ ᇦ ࡟ ࠾ ࡅ ࡿ ㏿ ຊ ప ῶ ಀ ᩘ ࠊ
ME ࡣ ୺ ᶵ ࢆ ⾲ ࡋ ࠊ AE ࡣ ⿵ ᶵ ࢆ ⾲ ࡍ ࠋ
f w ࡣ ࠊᐇ ᾏ ᇦ ࡟ ࠾ ࡅ ࡿ ᛶ ⬟ ࡀ Ⰻ ዲ ࡞ ⯪ ⯧ ࡢ
タィ࡟౯್ࢆ୚࠼ࡿࡓࡵ࡟᪥ᮏࡀᥦ᱌ࡋࡓ
ࡶࡢ࡛࠶ࡿࠋ
0(3& ࡢ ⤖ ᯝ 2008 ᖺ 10 ᭶ ࡟ 㛤 ദ ࡉ ࢀ ࡓ MEPC58 ఍ ㆟
࡛ ࡣ ࠊ࢜ ࢫ ࣟ ୰ 㛫 స ᴗ 㒊 ఍ ఍ ㆟ ࠿ ࡽ ࡢ ሗ ࿌ ࡟
ຍ ࠼ ࡚ ࠊ᪥ ᮏ ཬ ࡧ ࢹ ࣥ ࣐ ࣮ ࢡ ࠿ ࡽ ࡢ ㏣ ຍ ᥦ ᱌
ࢆ ⪃ ៖ ࡟ ධ ࢀ ࡚ ࠊ᪂ 㐀 ⯪ CO 2 ᤼ ฟ ᣦ ᶆ ࢆ ࡉ ࡽ
࡟ ᳨ ウ ࡋ ࠊ ௨ ୗ ࡢ ⤖ ㄽ ࡟ 㐩 ࡋ ࡓ 16)ࠋ
(1) CO 2 ࡢ ᩥ Ꮠ ࡢ ⾲ ♧ ࢆ ᎘ ࠺ ୰ ᅜ ➼ ࡢ Ⓨ ᒎ ㏵
ୖᅜࡢពྥ࡟㓄៖ࡋ࡚ࠊྡ๓ࢆࠕ᪂㐀⯪࢚
ࢿ ࣝ ࢠ ຠ ⋡ タ ィ ᣦ ᶆ (EEDI: New Ship
Energy Efficiency Design Index)ࠖ ࡜ ࡋ ࡓ ࠋ
(2) ィ ⟬ ࡟ ౑ ⏝ ࡍ ࡿ ୺ ᶵ ฟ ຊ ࡣ ࠊᦚ ㍕ ୺ ᶵ ࡢ ᭱
኱ 㐃 ⥆ ฟ ຊ ( MCR) ࡢ 75% ࡜ ࡍ ࡿ ࠋ
(3) ㈌ ≀ ⯪ ࡢ Capacity ࡟ ࡣ D WT ࢆ ⏝ ࠸ ࡿ ࠋ
(4) ᪑ ᐈ ⯪ ࡢ Capacity ࡟ ࡣ GT ࢆ ⏝ ࠸ ࡿ ࠋ
(5) ⿵ ᶵ ࡢ ฟ ຊ P A E ࡣ ࠊ ௨ ୗ ࡢ ᘧ ࡛ ⟬ ฟ ࡍ ࡿ ࠋ
୺ ᶵ ฟ ຊ P M E ࡀ 10000kW ௨ ୖ ࡢ ሙ ྜ ࡣ ࠊ
MEn
(0.025 u ¦ MCRMEi ) 250
i 1
୺ ᶵ ฟ ຊ P M E ࡀ 10000kW ᮍ ‶ ࡢ ሙ ྜ ࡣ ࠊ
MEn
0.05 u ¦ MCRMEi
i 1
(6) ㏿ ᗘ V r e f ࡣ ࠊ ୖ ࡢ Capacity ཬ ࡧ ୺ ᶵ ฟ ຊ
(MCR ࡢ 75%) ࡢ ୗ ࡛ Ỵ ᐃ ࡍ ࡿ ࠋ
(7) ᶵ 㛵 ࡢ ⇞ ᩱ ᾘ ㈝ 㔞 SFC (g/k Wh) ࡣ ࠊ
EIAPP ド ᭩ ( Engine International Air
Pollution Prevention Certificate ) ࡟ グ ㍕
ࡢ್ࢆ⏝࠸ࡿࠋ
(8) ⯪ ✀ ࡟ ≉ ᭷ ࡢ ಟ ṇ ಀ ᩘ f i ཬ ࡧ f j ࡢ ྲྀ ࡾ ᢅ
࠸ࡣࡉࡽ࡟᳨ウࡍࡿࠋ
80
(9) ᪥ ᮏ ࡀ ᥦ ᱌ ࡋ ࡓ ᐇ ᾏ ᇦ ࡟ ࠾ ࡅ ࡿ ㏿ ຊ ప ୗ ಀ
ᩘ fw ࡟ 㛵 ࡋ ࡚ ࡣ ࠊ
(a) ᑐ ㇟ ⯪ ⯧ ࡢ タ ィ ࡟ 㛵 ࡍ ࡿ ࢩ ࣑ ࣗ ࣞ ࣮ ࢩ ࣙ
ࣥ ࡛ ᚓ ࡚ ࡶ ࡼ ࠸ ࠋࡑ ࡢ ࡓ ࡵ ࡢ ࢩ ࣑ ࣗ ࣞ ࣮ ࢩ
ࣙࣥ᪉ἲࡢᣦ㔪ࢆ㛤Ⓨࡍࡿࠋ
(b) f w ࢆ ᚓ ࡿ ࡓ ࡵ ࡢ ࢩ ࣑ ࣗ ࣞ ࣮ ࢩ ࣙ ࣥ ࢆ ᐇ ᪋
ࡋ ࡞ ࠸ ሙ ྜ ࡟ ࡣ ࠊᐇ ᾏ ᇦ ࡟ ࠾ ࡅ ࡿ ㏿ ᗘ ప ୗ
ࡢ ⤒ 㦂 ್ ࡟ ᇶ ࡙ ࡃ ᶆ ‽ fw ࢆ ⏝ ࠸ ࡚ ࡼ ࠸ ࠋ
ᶆ ‽ fw ࡟ 㛵 ࡍ ࡿ ᣦ 㔪 ࡣ ᚋ ᪥ 㛤 Ⓨ ࡍ ࡿ ࠋ
(c) ୖ ࡢ (a) ཬ ࡧ (b) ࡢ ᣦ 㔪 ࢆ స ᡂ ࡍ ࡿ ࡲ ࡛ ࡣ ࠊ
f w ࡣ 1.0 ࡜ ࡍ ࡿ ࠋ
࡞ ࠾ ࠊ MEPC58 ࡀ స ᡂ ࡋ ࡓ E EDI ࡢ ᘧ ࡣ ࠊ
GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ࡢ ୰ 㛫 స ᴗ 㒊 ఍ ఍ ㆟ ཬ ࡧ
MEPC59 ࡟ ࠾ ࠸ ࡚ ࡉ ࡽ ࡟ ᨵ Ⰻ ࡉ ࢀ ࡓ ࡓ ࡵ ࠊ ࡇ
ࡇ࡛ࡣ⤂௓ࡋ࡞࠸ࠋ
*+* ࡟ 㛵 ࡍ ࡿ ➨ ᅇ ୰ 㛫 స ᴗ 㒊 ఍ GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ୰ 㛫 స ᴗ 㒊 ఍ ࡣ ࠊ 2009
ᖺ 3 ᭶ 9 ᪥ ࠿ ࡽ 13 ᪥ ࡢ 㛫 ࠊIMO ᮏ 㒊 ࡛ 㛤 ദ ࡉ
ࢀ ࠊMEPC58 ࡟ ࠾ ࠸ ࡚ స ᡂ ࡉ ࢀ ࡓ EEDI ࡢ ᣦ 㔪
࡟ 㛵 ࡋ ࡚ ࠊ᪥ ᮏ ࢆ ࡣ ࡌ ࡵ ྛ ᅜ ࡀ ᥦ ฟ ࡋ ࡓ ᩥ ᭩ ࡟
↷ ࡽ ࡋ ࡚ ࡉ ࡽ ࡟ ᳨ ウ ࡋ ࠊᴫ せ ௨ ୗ ࡢ ⤖ ㄽ ࢆ ᚓ ࡓ
17)ࠋ
(1) ⯪ ✀ ࡢ ᐃ ⩏ ࢆ ࠊSOLAS ➼ ࡟ ࠶ ࡿ ᐃ ⩏ ࡟ ᇶ ࡙
࠸࡚ຍ࠼ࡓࠋ
(2) ୺ ㍈ Ⓨ 㟁 ࡢ ྲྀ ࡾ ᢅ ࠸ ࢆ ຍ ࠼ ࡓ ࠋ
(3) Ro-r o ᪑ ᐈ ⯪ ࡢ Capacity ࡟ ࡣ G T ࢆ ⏝ ࠸ ࡿ ࠋ
(4) ࢹ ࢕ ࣮ ࢮ ࣝ ᶵ 㛵 Ⓨ 㟁 㸫 㟁 Ẽ ࣔ ࣮ ࢱ ᥎ 㐍 ࡢ ྲྀ
ࡾᢅ࠸ࢆධࢀࡓࠋ
(5) ⿵ ᶵ ฟ ຊ ࡢ ⟬ ᐃ ࡟ ࡣ ࠊM EP C 58 ࡛ ྜ ព ࡋ ࡓ
⡆ ᫆ ᘧ ࡢ ௚ ࠊ㟁 ຊ ⾲ ࡟ ࡼ ࡿ ⟬ ᐃ ࡶ ྍ ⬟ ࡟ ࡋ ࡓ ࠋ
(6) ᶵ 㛵 ࡀ 」 ᩘ ࠶ ࡿ ሙ ྜ ࡟ ࡣ ࠊ SFC ࡣ ࡑ ࡢ ฟ ຊ
࡟ࡼࡿⲴ㔜ᖹᆒ࡜ࡍࡿࠋ
(7) ࢚ ࢿ ࣝ ࢠ ᅇ ཰ ➼ ࡢ ຠ ᯝ ࢆ ⟬ ධ ࡍ ࡿ ࠋ
ࡇ ࡢ ఍ ㆟ ࡣ ࠊ E EDI ࡢ ィ ⟬ ᘧ ࢆ ኱ ᖜ ࡟ ᭩ ࡁ ┤
ࡋ ࠊ MEPC59 ࡬ ሗ ࿌ ࡋ ࡓ ࠋ
ࡲ ࡓ ࡇ ࡢ ఍ ㆟ ࡛ ࡣ ࠊࣇ ࢕ ࣥ ࣛ ࣥ ࢻ ➼ ࡢ ໭ Ḣ ㅖ
ᅜ ࡣ ࠊ ࢔ ࢖ ࢫ ࢡ ࣛ ࢫ ⯪ ࡟ 㛵 ࡍ ࡿ fi ཬ ࡧ fj ࡢ ィ
⟬ ᪉ ἲ ࢆ M EPC59 ࡬ ᥦ ᱌ ࡍ ࡿ ᪨ ⾲ ᫂ ࡋ ࡓ ࠋ
ࡉ ࡽ ࡟ ఍ ㆟ ࡛ ࡣ ࠊ E EDI ࡢ ᘧ ཬ ࡧ ࡑ ࡢ ࣃ ࣛ ࣓
࣮ ࢱ ࡢ Ỵ ࡵ ᪉ ࡣ ࠊࢹ ࢕ ࣮ ࢮ ࣝ Ⓨ 㟁 㸫 ࣔ ࣮ ࢱ 㥑 ື
ࡢ ᥎ 㐍 ⿦ ⨨ ࢆ ᣢ ࡕ ࠊ⯪ ෆ 㟁 ຊ ౑ ⏝ 㔞 ࡀ ᥎ 㐍 ⏝ 㟁
ຊ࡟ẚ࡭࡚኱ࡁ࠸᪑ᐈ⯪࡬ࡢ㐺⏝ࡀᅔ㞴࡛࠶
ࡿࡇ࡜ࡀ⾲᫂ࡉࢀࡓࠋ
௨ ୖ ࡢ ၥ 㢟 Ⅼ ࡣ ࠊMEPC59 ࡟ ࠾ ࠸ ࡚ ࡉ ࡽ ࡟ ᳨
ウࡍࡿࡇ࡜࡜࡞ࡗࡓࠋ
0(3& ࡢ ⤖ ᯝ 2009 ᖺ 7 ᭶ ࡟ 㛤 ദ ࡉ ࢀ ࡓ MEPC59 ఍ ㆟ ࡣ ࠊ
5.1. 4 ࡢ GHG ୰ 㛫 ఍ ㆟ ࡢ ሗ ࿌ ᭩ 1 7 ) ࡟ ᇶ ࡙ ࡁ ࠊ
ࡉ ࡽ ࡟ ྛ ᅜ ࠿ ࡽ ࡢ ᥦ ᱌ ࢆ ຺ ᱌ ࡋ ࡚ EEDI ࢆ ᳨
ウ ࡋ ࠊ ௨ ୗ ࡢ ྜ ព ࡋ ࠊ EED I ࢆ ᭱ ⤊ ⓗ ࡟
MEPC/Circ lular 681 ࡜ ࡋ ࡚ Ⓨ ⾜ ࡍ ࡿ ࡇ ࡜ ࡟
ྜ ព ࡋ ࡓ 8 ) ࠋ࡞ ࠾ ࠊM EP C /Circ . 681 ࡢ ෆ ᐜ ࢆ ࠊ
ᮏ✏ᮎᑿࡢ㝃㘓࡟グ㍕ࡍࡿࠋ
(1) ⯪ ✀ ࡢ ᐃ ⩏ ࡟ ࠊ ㌴ ୧ 㐠 ᦙ Ro-r o ㈌ ≀ ⯪ ࠊ
ᐜ ✚ ࣋ ࣮ ࢫ ࡢ Ro-ro ㈌ ≀ ⯪ ( Ro-r o ㈌ ≀ 1m
ᙜ ࡾ ࡢ 㔜 㔞 ࡀ 4ton ᮍ ‶ ) ࠊ 㔜 㔞 ࣋ ࣮ ࢫ ࡢ
Ro-r o ㈌ ≀ ⯪ (Ro-ro ㈌ ≀ 1m ᙜ ࡾ ࡢ 㔜 㔞 ࡀ
4ton ௨ ୖ ) ࢆ ㏣ ຍ ࡋ ࡓ ࠋ
(2) ⇞ ᩱ 㸫 CO 2 ኚ ᥮ ಀ ᩘ C F ࢆ ࠊ᭱ ᪂ ᝟ ሗ ࡟ ᇶ
࡙࠸࡚ᨵᐃࡋࡓࠋ
(3) ࢥ ࣥ ࢸ ࢼ ⯪ ࡢ Capacity ࡣ ࠊ D WT ࡢ 65%
࡜ࡍࡿࠋ
(4) Ⓨ 㟁 ⿦ ⨨ ࡢ ຠ ⋡ ࡣ ࠊ 0.9 ࡟ ᅛ ᐃ ࡏ ࡎ ࠊ ⿦
⨨ࡢᐇ㝿ࡢຠ⋡ࡢຍ㔜ᖹᆒ࡜ࡍࡿࠋ
(5) ࢔ ࢖ ࢫ ࢡ ࣛ ࢫ ⯪ ࡟ 㛵 ࡍ ࡿ f i ཬ ࡧ f j ࡢ ィ ⟬
᪉ἲࢆࠊ⯪✀ẖ࡟Ỵࡵࡓࠋ
MEPC59 ࡣ ࡉ ࡽ ࡟ ࠊࡇ ࡢ EEDI ࡢ ౑ ⏝ ࢆ ヨ
⾜ ࡍ ࡿ ࡇ ࡜ ࢆ ྛ ᅜ ཬ ࡧ 㛵 ಀ ⪅ ࡀ 㐍 ࡵ ࠊࡑ ࡢ ⤖
ᯝ ࢆ M EP C ࡬ ሗ ࿌ ࡍ ࡿ ࡼ ࠺ せ ㄳ ࡋ ࡓ ࠋ ࡲ ࡓ ࠊ
ᮍ ゎ Ỵ ࡢ fw ࢆ Ỵ ࡵ ࡿ ࡓ ࡵ ࡢ ᣦ 㔪 ᱌ ࡢ ᥦ ฟ ࢆ
᪥ᮏ࡟ồࡵࡓࠋ
((', ࡢ ㄆ ド ᪉ ἲ ᣦ 㔪 ᪂ 㐀 ⯪ ࡟ ᑐ ࡋ ࡚ ୍ ᐃ ࡢ ್ ௨ ୗ ࡢ EEDI ್ ࢆ
ᣢࡘࡇ࡜ࢆつ๎࡟ࡼࡾᙉไⓗ࡟せồࡍࡿሙ
ྜ ࠊࡑ ࡢ ⯪ ⯧ ࡢ EEDI ࢆ ᘓ 㐀 ẁ 㝵 ࡛ ホ ౯ ࡋ ㄆ
ド ࡍ ࡿ ࡇ ࡜ ࡀ ࠊබ ṇ ࡞ つ ๎ ࡢ ᐇ ᪋ ࡢ ࡓ ࡵ ࡟ ᚲ
㡲 ࡜ ࡞ ࡿ ࠋ EEDI ࡢ ホ ౯ ࡜ ㄆ ド ࢆ බ ṇ ࠿ ࡘ ㏱
᫂ ᛶ ࢆ ᣢ ࡗ ࡚ ᐇ ᪋ ࡍ ࡿ ࡓ ࡵ ࡟ ࡣ ࠊ IMO ࡀ
EED I ࡢ ㄆ ド ࡟ 㛵 ࡍ ࡿ ᣦ 㔪 ࢆ స ᡂ ࡋ ࠊ 㛵 ಀ ୺
⟶ ᗇ ࡟ ࡇ ࡢ ᣦ 㔪 ࡟ ᚑ ࡗ ࡚ ࠊㄆ ド ࢆ 㐙 ⾜ ࡍ ࡿ ࡇ
࡜ࢆồࡵࡿࡇ࡜ࡀᮃࡲࡋ࠸ࠋ
ࡑ ࡇ ࡛ ᪥ ᮏ ࡣ ࠊ GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ୰ 㛫
స ᴗ 㒊 ఍ ࡟ ࠊ EEDI ࡢ ㄆ ド ᪉ ἲ ᣦ 㔪 ࡟ 㛵 ࡍ ࡿ
ᇶ ᮏ ᵓ ᝿ ࢆ ᩥ ᭩ GHG-WG2/ 2/16 ࡟ ࡼ ࡾ ᥦ ᱌
ࡋࡓࠋᙜసᴗ㒊఍ࡣࠊࡇࢀ࡟ཎ๎㈶ᡂࡋࠊࡉ
ࡽ ࡟ ල య ⓗ ࡞ ᣦ 㔪 ᱌ ࢆ ᥦ ᱌ ࡍ ࡿ ࡼ ࠺ ࠊྛ ᅜ ࡟
せㄳࡋࡓࠋ
ࡑ ࡇ ࡛ MEPC59 ఍ ㆟ ࡟ 㝿 ࡋ ࡚ ࠊ ᪥ ᮏ ࡣ ࣀ
ࣝ ࢘ ࢙ ࣮ ࡜ ඹ ྠ ࡋ ࡚ ࠊ➨ 2 ᅇ ୰ 㛫 స ᴗ 㒊 ఍ ࡢ
ྜ ព ஦ 㡯 ࡟ ๎ ࡗ ࡚ ࠊ EEDI ࡢ ㄆ ド ἲ ࡟ 㛵 ࡍ ࡿ
ᣦ 㔪 ᱌ ࢆ ᩥ ᭩ M EP C5 9/ 4/36 ࡟ ࡼ ࡗ ࡚ ᥦ ฟ ࡋ
ࡓࠋ
海上技術安全研究所報告　第 9 巻　第 4 号　特集号（平成 21 年度）小論文
MEPC59 ࡛ ࡣ ࠊ GHG ࡟ 㛵 ࡍ ࡿ స ᴗ 㒊 ఍ ࡟ ࠾
࠸࡚ࠊ୺࡟௨ୗࡢⅬࡀ㆟ㄽࡉࢀࡓࠋ
࣭ ᾏ ୖ බ ヨ ࡛ ࡢ EEDI ࡢ ᳨ ド ࡢ ྍ ⬟ ᛶ ࡜ 㔜 せ
ᛶ
࣭ ᾏ ୖ බ ヨ ࡛ ࠊ ISO 15056 ㏿ ຊ ヨ 㦂 ࡢ ゎ ᯒ ᪉
ἲࡢ฼⏝
࣭ EEDI ࡢ ィ ⟬ ࡟ ౑ ⏝ ࡉ ࢀ ࡿ ಶ ࠎ ࡢ ࣃ ࣛ ࣓ ࣮
ࢱࡢ್ࡢ᳨ドࡢྍ⬟ᛶ࡜ࡑࡢ᪉ἲ
࣭EEDI ィ ⟬ ࡟ ࠾ ࡅ ࡿ ▱ ⓗ ㈈ ⏘ ᶒ ࡢ ಖ ㆤ ( ≉ ࡟
㏿ ຊ 㸫 ᶵ 㛵 ฟ ຊ ࢝ ࣮ ࣈ ࠊཬ ࡧ ᾏ ୖ බ ヨ ᐃ
್࠿ࡽᐇ㝿ࡢ‶㍕≧ែ࡛ࡢ㏿ຊ㸫ᶵ㛵ฟ
ຊࡢ㛵ಀࢆᑟࡃゎᯒἲ)
௨ ୖ ࡢ ㆟ ㄽ ࡢ ⤖ ᯝ ࠊMEPC59 ࡣ ࠊE EDI ࡢ ㄆ
ド ᪉ ἲ ࡟ 㛵 ࡍ ࡿ ᬻ ᐃ ᣦ 㔪 ࢆ ࠊ M EPC/Circ.682
࡜ ࡋ ࡚ ࡲ ࡜ ࡵ ࡓ 9)ࠋ ࡑ ࡢ 㦵 Ꮚ ࢆ ௨ ୗ ࡟ ㏙ ࡭ ࡿ ࠋ
(1) ྛ ᅜ ཬ ࡧ 㛵 ಀ ᶵ 㛵 ࡟ ᑐ ࡋ ࠊ ࡇ ࡢ ᬻ ᐃ ᣦ 㔪 ࢆ
ヨ ⾜ ࡋ ࡚ ࠊ ࡑ ࡢ ⤖ ᯝ ࢆ MEPC ࡬ ሗ ࿌ ࡍ ࡿ ࡇ
࡜ࢆせㄳࡍࡿࠋ
(2) EEDI ࡢ ㄆ ド ࡣ ࠊ タ ィ ẁ 㝵 ཬ ࡧ ᾏ ୖ ヨ 㐠 ㌿
ẁ 㝵 ࡢ 㸰 ẁ 㝵 ࡛ ⾜ ࠺ ࠋࡑ ࡢ ὶ ࢀ ࢆ ᅗ - 5 ࡟ ♧ ࡍ ࠋ
⯪୺
㐀⯪⪅
EEDIㄆド⪅
タィཬ䜃Ỉᵴヨ㦂
䛻䜘䜛EEDIィ⟬
EEDIᢏ⾡䝣䜯䜲䝹సᡂ
EEDIணഛᑂᰝ⏦ㄳ
EEDIᢏ⾡䝣䜯䜲䝹ᥦฟ
㏣ຍ㈨ᩱᥦฟ
⏦ㄳཷ௜䠖
ணഛᑂᰝ
ሗ࿌Ⓨ⾜
⯪⯧ᘓ㐀㛤ጞ
EEDIᑂᰝ⏦ㄳ
ᾏୖヨ㐠㌿ᐇ᪋
EEDIᢏ⾡䝣䜯䜲䝹䛾ಟṇ䛸ᥦฟ
⯪⯧ᘬΏ䛧䠖㐠⯟㛤ጞ
ᑂᰝ
䞉ᾏୖヨ㦂≧ἣ
䞉⯪㏿
䞉EEDIᢏ⾡䝣䜯䜲䝹
EEDIᑂᰝ⤖ᯝሗ࿌Ⓨ⾜
ᅗ -5 EEDI ㄆ ド స ᴗ ࡢ ὶ ࢀ
(3) EEDI ᢏ⾡ࣇ࢓࢖ࣝ࡟ࡣ௨ୗࡢ㈨ᩱࢆྵࡵࡿࠋ
࣭ EEDI ィ ⟬ ࡟ ౑ ⏝ ࡍ ࡿ ࣃ ࣛ ࣓ ࣮ ࢱ ࡢ ್
࣭ ࣃ ࣡ ࣮ ࢝ ࣮ ࣈ (kW-NM)( ᭱ ኱ ㍕ Ⲵ ᫬ ཬ ࡧ ᾏ
ୖ ヨ 㐠 ㌿ ᫬ )࡜ ࡑ ࡢ ⯪ ⯧ タ ィ ẁ 㝵 ࡟ ࠾ ࡅ ࡿ
సᡂ᪉ἲ㸸ࣃ࣮࣮࣡࢝ࣈࡣỈᵴヨ㦂⤖ᯝ࡟
ᇶ࡙࠸ࡓࡶࡢ࡜ࡍࡿࠋణࡋࠊྠᆺ⯪⯧ࡢࢹ
࣮ ࢱ ࡀ ࠶ ࡿ ሙ ྜ ࡟ ࡣ ࠊࡑ ࢀ ࢆ ౑ ⏝ ࡋ ࡚ ࡼ ࠸ ࠋ
࣭⯪⯧ࡢ୺せ┠ࠊ᥎㐍⣔⤫ࠊ㟁ຊ⣔⤫ࡢㄝ᫂
࣭࢚ࢿࣝ࢟ᅇ཰ࢩࢫࢸ࣒ࡢㄝ᫂
࣭ EEDI ィ ⟬ ⤖ ᯝ
(4) EEDI ࡢ ண ഛ ᑂ ᰝ ࡣ ࠊ ィ ⟬ ࡀ EEDI ࡢ ᣦ 㔪
࡟ᚑࡗ࡚ᐇ᪋ࡉࢀࡓ࠿ࢆᑂᰝࡍࡿࡇ࡜ࡀ୺
║࡛࠶ࡿࠋ
81
(5) ᑂ ᰝ ⪅ ࡣ ᾏ ୖ ヨ 㐠 ㌿ ࡟ ཧ ຍ ࡋ ࠊ E EDI ᢏ
⾡ࣇ࢓࢖ࣝࡢෆᐜࢆᐇ㝿ࡢ⯪⯧࡟↷ࡽࡋ
࡚ ᳨ ド ࡋ ࠊࡲ ࡓ ᾏ ୖ ヨ 㐠 ㌿ ࡢ ≧ ἣ ࡜ ィ ⤖
ᯝࢆᢕᥱࡍࡿࠋ
(6) ᾏ ୖ ヨ 㐠 ㌿ ࡢ ᾏ ㇟ ཬ ࡧ ⯪ ㏿ ࡢ ィ ࡣ ࠊ
ISO 15056 ࡲ ࡓ ࡣ ྠ ➼ ࡢ ᪉ ἲ ࡟ ࡼ ࡗ ࡚ ⾜ ࠺ ࠋ
(7) ᾏ ୖ ヨ 㐠 ㌿ ࡛ ࡣ ࠊM C R ࡢ 75% ࡢ ᶵ 㛵 ฟ ຊ
᫬ࢆྵࡴ 2 ࡘ௨ୖࡢᶵ㛵ฟຊ࡟࠾ࡅࡿ⯪㏿
ࢆィ ࡍࡿࠋ
(8) ᾏ ୖ ヨ 㐠 ㌿ ࢆ ‶ ㍕ ≧ ែ ࡛ ᐇ ᪋ ࡍ ࡿ ሙ ྜ ࡟
ࡣ ࠊ M CR ࡢ 75% ࡢ ᶵ 㛵 ฟ ຊ ᫬ ࡢ ⯪ ㏿ ࢆ ィ
ࡋ ࠊ ࡇ ࢀ ࡟ ᇶ ࡙ ࠸ ࡚ EEDI ࢆ ᳨ ド ࡍ ࡿ ࠋ
(9) ᾏ ୖ ヨ 㐠 ㌿ ࢆ ‶ ㍕ ≧ ែ ࡛ ᐇ ᪋ ࡋ ࡞ ࠸ ( ࡛
ࡁ ࡞ ࠸ ) ሙ ྜ ࡟ ࡣ ࠊᘓ 㐀 ⪅ ࡣ ᐃ ⤖ ᯝ ࡟ ᇶ ࡙
ࡁ ࠊ ‶ ㍕ ≧ ែ ࠿ ࡘ M C R ࡢ 75% ࡢ ᶵ 㛵 ฟ ຊ
᫬ࡢ⯪㏿ࢆᢏ⾡ゎᯒ࡟ࡼࡾゎᯒồࡵࠊ
EEDI ࢆ ಟ ṇ ࡍ ࡿ ࠋ
ࡲ ࡓ ࡇ ࡢ EEDI ㄆ ド ᣦ 㔪 ࡣ ࠊỈ ᵴ ヨ 㦂 ࡟ 㛵
ࡋ࡚ࠊ௨ୗࢆ♧၀ࡋ࡚࠸ࡿࠋ
(a) Ỉ ᵴ ヨ 㦂 ࠿ ࡽ ⯪ ㏿ ࢆ ᑟ ࡃ ᪉ ἲ ࡢ ᶆ ‽ ໬ ࡀ
ᮃࡲࡋ࠸ࠋ
(b) Ỉ ᵴ ヨ 㦂 ࡢ ಙ 㢗 ᛶ ಖ ᣢ ࡢ ࡓ ࡵ ࡟ ࠊ Ỉ ᵴ ヨ
㦂ᡤࡢㄆドไᗘࡢ㛤Ⓨ࡜ᐇ᪋ࡀᮃࡲࡋ࠸ࠋ
MEPC59 ఍ ㆟ ௨ 㝆 ࠊ ⯪ ୺ ཬ ࡧ 㐀 ⯪ ⪅ ࡣ
EED I ࡢ ィ ⟬ ࡢ ᐇ ᪋ ヨ ⾜ ࡀ ồ ࡵ ࡽ ࢀ ࠊ ᝿ ᐃ ࡉ
ࢀ ࡿ ㄆ ド ⪅ ( ୺ ⟶ ᗇ ࠊ ⯪ ⣭ ༠ ఍ ) ࡣ ࠊ EED I ࡢ
ㄆ ド ࡢ ヨ ⾜ ᐇ ᪋ ࡀ ồ ࡵ ࡽ ࢀ ࡚ ࠸ ࡿ ࠋࡇ ࢀ ࡽ ࡢ
⤖ ᯝ ࡣ MEPC ࡢ ᑗ ᮶ ఍ ㆟ (MEPC60: 2010 ᖺ 3
᭶ ࠊMEPC61:2010 ᖺ 10 ᭶ ) ࡬ ᥦ ฟ ࡉ ࢀ ࠊEEDI
ཬࡧࡑࡢㄆド࡟㛵ࡍࡿᬻᐃᣦ㔪ࡢぢ┤ࡋ࡟
฼⏝ࡉࢀࡿࠋ
((', ࡢ ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ MEPC ࡛ ࡣ ࠊ EEDI ࡢ ᣦ 㔪 ࡢ ᳨ ウ ࡜ ᖹ ⾜ ࡋ
࡚ ࠊ E EDI ࡢ ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࡢ タ ᐃ ᪉ ἲ ࢆ ᳨ ウ
ࡋ࡚ࡁ࡚࠸ࡿࠋ
ࢹ ࣥ ࣐ ࣮ ࢡ ࡣ MEPC58 ࡟ ᑐ ࡋ ࡚ ࠊ 㐣 ཤ ࡟
ᘓ 㐀 ࡉ ࢀ ࡓ ⯪ ⯧ ࡢ ࢹ ࣮ ࢱ ࡟ ᣐ ࡗ ࡚ EEDI ࢆ ィ
⟬ ࡋ ࠊ ⯪ ✀ ู ࡟ 㞟 ィ ࡋ ࡚ ࠊ E EDI ࡀ ⯪ ⯧ ࡢ ኱
ࡁ ࡉ ࡢ ᣦ ᩘ 㛵 ᩘ ࡛ ⾲ ࡏ ࡿ ࡇ ࡜ ࢆ ♧ ࡋ ࡓ
(MEPC58/ 4/ 8) ࠋ ࡍ ࡞ ࢃ ࡕ ࠊ
Baseline Value = a x Capacity
-c
ࡇࡢᩥ᭩࡟࠶ࡿࡤࡽ✚ࡳ㈌≀⯪ࡢ౛ࢆᅗ㸴࡟♧ࡍࠋ
MEPC58 ࡣ ࠊ E EDI ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࢆ
Capac ity ࡢ ᣦ ᩘ 㛵 ᩘ ࡛ ⾲ ࡍ ࡇ ࡜ ࡟ ࠊᇶ ᮏ ⓗ ࡟
ྜពࡋࠊྛᅜ࡟ࡑࡢ᳨ドࢆồࡵࡓࠋ
GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ୰ 㛫 స ᴗ 㒊 ఍ ཬ ࡧ
82
MEPC59 ࡛ ࡣ ࠊ୰ ᅜ ࡶ E EDI ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࡢ ィ
⟬ ౛ ࢆ ᥦ ฟ ࡋ ࡓ ࠋM EP C 59 ࡛ ࡢ ࡉ ࡽ ࡞ ࡿ ᳨ ウ ࡢ
⤖ ᯝ ࠊ ᑗ ᮶ ࠊ EEDI ཬ ࡧ ࡑ ࡢ ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࢆ ⏝
࠸ ࡚ ࠊ᪂ 㐀 ⯪ ⯧ ࡢ CO 2 ᤼ ฟ ๐ ῶ ࡢ ἲ ⓗ ᥐ ⨨ ࢆ ⟇
ᐃ ࡍ ࡿ ሙ ྜ ࡟ ࡣ ࠊEEDI ࡢ ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࡣ ࠊIMO
࡞࡝࡛බṇཬࡧ㏱᫂ᛶࢆࡶࡗ࡚ᐃࡵࡿᚲせࡀ
࠶ࡿࡇ࡜࡟ࠊᇶᮏⓗ࡟ྜពࡋࡓࠋ
CO2 g / (䝖䞁 ᾏ㔛 ㈌≀)
䜀䜙✚䜏㈌≀⯪
400GT௨ୖ 1995-2004ᘓ㐀
ᅗ -6 ࡤ ࡽ ✚ ࡳ ㈌ ≀ ⯪ EEDI ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ౛
ࡲ ࡓ MEPC59 ࡣ ࠊ EEDI ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࢆ
EEDI ࡟ 㛵 ࡍ ࡿ ᣦ 㔪 (M EPC/ Circ.681) ࡟ ᚑ ࡗ ࡚
ồ ࡵ ࡿ ᚲ せ ࡀ ࠶ ࡿ ࡀ ࠊ ᶵ 㛵 ࡢ 75%MCR ࡟ ᑐ ᛂ
ࡍࡿ⯪㏿ࡢࢹ࣮ࢱࢆ㐣ཤࡢ⯪⯧ࢹ࣮ࢱ࠿ࡽ㢮
᥎ࡍࡿᚲせࡀ࠶ࡿࡇ࡜ࡶㄆ㆑ࡋࡓࠋ
㐠 ⯟ ⯪ ࡢ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ ࣐ ࢿ ࢪ ࣓ ࣥ ࢺ ࣭ ࣉ
ࣛ ࣥ 6(( 03 ⯪ ⯧ ࠿ ࡽ ࡢ GHG ᤼ ฟ ࡢ ప ῶ ࡣ ࠊ ⯪ ⯧ ࡢ 㐠 ⯟
࡟ ࡼ ࡗ ࡚ ࡶ ┦ ᙜ ࡟ 㐩 ᡂ ࡛ ࡁ ࡿ ࠋ⯪ ⯧ 㐠 ⯟ ⪅ ࡣ ௨
๓ ࠿ ࡽ ࠊ⯪ ⯧ ࡀ ౑ ⏝ ࡍ ࡿ ⇞ ᩱ ࡢ ప ῶ ࢆ ᅗ ࡗ ࡚ ᮶
࡚ ࠸ ࡿ ࠋMEPC57 ࡣ ࠊ⯪ ⯧ 㐠 ⯟ ⪅ ࡀ ฼ ⏝ ࡛ ࡁ ࡿ
GHG ᤼ ฟ ๐ ῶ ᪉ ἲ ࡢ ࢞ ࢖ ࢻ ࢆ స ᡂ ࡍ ࡿ ࡇ ࡜ ࡟
ྜ ព ࡋ ࠊ GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ୰ 㛫 స ᴗ 㒊 ఍ ࡟
ᑐࡋ࡚ࠊࡑࡢ᱌ࢆసᡂࡍࡿࡼ࠺ᣦ♧ࡋࡓࠋ
GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ୰ 㛫 స ᴗ 㒊 ఍ ࡛ ࡣ ࠊ ㆟
㛗 (➹ ⪅ )ࡀ ࠊ ௨ ୗ ࡢ ཎ ๎ ࡟ ❧ ࡗ ࡚ ࠊ 㐠 ⯟ ⯪ ࡢ ࢚
ࢿ ࣝ ࢠ ຠ ⋡ ࣐ ࢿ ࢪ ࣓ ࣥ ࢺ࣭ࣉ ࣛ ࣥ ࢆ స ᡂ ࡍ ࡿ ࡇ
࡜ࢆᥦ᱌ࡋࠊసᴗ㒊఍ࡣࠊࡇࢀ࡟ἢࡗ࡚
MEPC59 ࡟ ࠾ ࠸ ࡚ ࡇ ࢀ ࢆ ௙ ୖ ࡆ ࡿ ࡇ ࡜ ࡟ ྜ ព
ࡋ ࡓ 17)ࠋ
࣭ࣉ ࣛ ࣥ ࢽ ࣥ ࢢ㸸GHG ๐ ῶ ࣉ ࣛ ࣥ ࢆ స ᡂ ࡍ ࡿ ࠋ
ࡑ ࡢ ࡓ ࡵ ࡢ Be st Prac tic es ࢆ ᥦ ♧ ࡍ ࡿ ࠋ
࣭ᐇ ᪋㸸ࣉ ࣛ ࣥ ࡢ ᐇ ᪋ ᪉ ἲ ࢆ ᐃ ࡵ ࡚ ࠊࡇ ࢀ ࢆ ᐇ
᪋ࡍࡿࠋ
࣭ࣔࢽࢱ࣮ཬࡧሗ࿌㸸ᐇ᪋≧ἣࢆࣔࢽࢱ࣮ࡋࠊ
ᡂᯝ࣭ ⤖ ᯝࢆሗ ࿌ ࡍࡿࠋ ࣔ ࢽࢱ࣮ ࡟ ࡣ
EEOI( ᚋ ㏙ ࡍ ࡿ ) ࢆ ฼ ⏝ ࡍ ࡿ ࠋ
࣭⮬ᕫホ౯ཬࡧᨵၿ㸸࣑ࣀࢱ࣮⤖ᯝཬࡧሗ
࿌࣭ᡂᯝ࡟ᇶ࡙ࡁࠊࣉࣛࣥࢆᨵၿࡍࡿࠋ
GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ୰ 㛫 స ᴗ 㒊 ఍ ࡣ ࡉ ࡽ
࡟ ࠊ ᅜ 㝿 ⯪ ୺ ༠ ఍ 㐃 ྜ (ICS) ➼ ࡢ ᥦ ᱌ ࢆ
MEPC59 ࡟ ࠾ ࡅ ࡿ ᳨ ウ ࡢ ࡓ ࡵ ࡟ ಖ ␃ ࡋ ࡓ ࠋ
MEPC59 ఍ ㆟ ࡬ ࡣ ࠊ ᪥ ᮏ ࡜ ⡿ ᅜ ࡀ GHG ࡟
㛵ࡍࡿ➨ 2 ᅇ୰㛫సᴗ㒊఍ࡢྜព஦㡯࡟๎ࡗ
࡚ ࠊ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ ࣐ ࢿ ࢪ ࣓ ࣥ ࢺ 㺃ࣉ ࣛ ࣥ ࡢ ᱌
ࢆ ࠊᩥ ᭩ M E PC59/ 4/ 33 ࡟ ࡼ ࡾ ᥦ ฟ ࡋ ࡓ ࠋG HG
సᴗ㒊఍ࡣࡇࡢ᱌ࢆ᳨ウࡋࠊຍ࠼࡚ࠊከࡃࡢ
⯪ ⯧ 㐠 ⯟ ఍ ♫ ࡣ ࠊISO 14001 ࡟ ᇶ ࡙ ࡃ ⎔ ቃ ࣐
ࢿࢪ࣓ࣥࢺࢆࡍ࡛࡟ᑟධࡋ࡚࠸ࡿࡇ࡜ࢆㄆ
㆑ ࡋ ࠊ ⯪ ⯧ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ ࣐ ࢿ ࢪ ࣓ ࣥ ࢺ 㺃ࣉ ࣛ
ࣥ (SEEMP Ship En ergy Management Plan )
࡟ 㛵 ࡍ ࡿ ࢞ ࢖ ࢻ ࢆ స ᡂ ࡋ ࠊM EPC/ Circ.683 ࡜
ࡋ ࡚ ᅇ ❶ ࡋ ࡓ 10)ࠋ
ࡇ ࡢ SEEM P ࡣ ࠊ GHG ࡟ 㛵 ࡍ ࡿ ➨ 2 ᅇ ୰
㛫 స ᴗ 㒊 ఍ ࡀ ྜ ព ࡋ ࡓ 4 ཎ ๎ (ࣉ ࣛ ࣥ ࢽ ࣥ ࢢ ࠊ
ᐇ ᪋ ࠊࣔ ࢽ ࢱ ࣮ ࣜ ࣥ ࢢ ཬ ࡧ ᨵ ၿ ) ࢆ ࡉ ࡽ ࡟ ヲ ࡋ
ࡃㄝ᫂ࡋ࡚ࡑࡢᐇ᪋᪉ἲࢆ࢞࢖ࢻࡍࡿ࡜࡜
ࡶ ࡟ ࠊ⯪ ⯧ ࠿ ࡽ ࡢ G H G ๐ ῶ ࡢ ᭱ Ⰻ ᪉ ἲ (Best
Practices) ࢆ ᥖ ㍕ ࡋ ࡚ ࠸ ࡿ ࠋ
㐠 ⯟ ⯪ ࡢ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ 㐠 ⯟ ᣦ ᶆ ((2,
MEPC ࡣ ࡑ ࡢ ➨ 51 ᅇ ఍ ㆟ ࠿ ࡽ ࠊ 㐠 ⯟ ࡉ ࢀ
࡚ ࠸ ࡿ ⯪ ⯧ ࡀ ᤼ ฟ ࡍ ࡿ CO 2 ࡢ 㔞 ࢆ ⟬ ᐃ ࡍ ࡿ
᪉ἲࢆ᳨ウࡋࡓࠋࡑࡢཎ๎ࡣࠊ௨ୗࡢᘧࡢࡼ
࠺ ࡟ ࠊ ᤼ ฟ ࡋ ࡓ CO 2 ࡟ 㔞 ࢆ 㐠 ㏦ ࡋ ࡓ 㔞 ( ton x
ᾏ 㔛 )࡛ ᗎ ࡋ ࡓ ್ ࢆ ࢖ ࣥ ࢹ ࢵ ࢡ ࢫ ࡜ ࡍ ࡿ ࡶ ࡢ
࡛࠶ࡿࠋ
Index =
CO2 Mass Emitted
Work Transported
ࡇ ࡇ ࡛ ࠊ᤼ ฟ ࡉ ࢀ ࡓ CO 2 ࡢ 㔞 ࡣ ࠊ౑ ⏝ ࡋ ࡓ ⇞
ᩱ ࡢ 㔞 ࡟ ࠊ ༢ ఩ ⇞ ᩱ (g) ࡢ ⇞ ↝ ࡛ ᤼ ฟ ࡉ ࢀ ࡿ
CO 2 ࡢ 㔞 (g) ࡢ ẚ ࡢ ಀ ᩘ ࢆ ᥃ ࡅ ࡚ ồ ࡵ ࡿ ࠋࡲ ࡓ ࠊ
㐠 ㏦ 㔞 ࡣ ࠊᐇ 㝿 ࡟ 㐠 ࢇ ࡔ ㈌ ≀ ࡢ 㔞 ࡜ ㊥ 㞳 ࠿ ࡽ
ồࡵࡿࠋ
MEPC53 ఍ ㆟ (2005 ᖺ 7 ᭶ ) ࡣ ࠊࡇ ࡢ ཎ ๎ ࡟
ᇶ ࡙ ࠸ ࡚ ࠊ ࣎ ࣛ ࣥ ࢱ ࣜ ࣮ CO 2 ᤼ ฟ ᣦ ᶆ ࡢ ヨ ⾜
ࡢ ࡓ ࡵ ࡢ ᬻ ᐃ ᣦ 㔪 (Interim Guidelines for
Voluntary Ship CO 2 Emission Indexing for use
in Trials) ࢆ స ᡂ ࡋ ࠊ M EPC/Circ.471 ࡜ ࡋ ࡚
Ⓨ ⾜ ࡋ ࡓ 18)ࠋ
᪥ ᮏ ࢆ ࡣ ࡌ ࡵ ྛ ᅜ ࡣ ࡑ ࡢ ᚋ ࠊࡇ ࡢ ᬻ ᐃ ᣦ 㔪
࡟ ࡼ ࡗ ࡚ ᚓ ࡽ ࢀ ࡓ ࢹ ࣮ ࢱ ࢆ MEPC ࡬ ᥦ ฟ ࡋ
ࡓ ࠋM EPC ࡣ ࡑ ࡢ ᚋ ࠊࡇ ࡢ ᬻ ᐃ ᣦ 㔪 ࡟ 㛵 ࡋ ࡚
海上技術安全研究所報告　第 9 巻　第 4 号　特集号（平成 21 年度）小論文
௨ୗࡢၥ㢟Ⅼࢆ᳨ウࡋࡓࠋ
࣭ࣂࣛࢫࢺ⯟ᾏࡢྲྀࡾᢅ࠸᪉ἲ
࣭ ࢥ ࣥ ࢸ ࢼ ⯪ ࡢ ㍕ Ⲵ 㔞 ࡢ ༢ ఩ ( 㔜 㔞 ton ࠊࡲ ࡓ
ࡣ TEU ᩘ )
࣭ ࡛ࡢᚅࡕ᫬㛫୰ࡢ⇞ᩱᾘ㈝
࣭ᖹᆒ್⟬ᐃ᪉ἲ
MEPC58 ఍ ㆟ (2008 ᖺ 10 ᭶ ) ࡣ ࠊ
MEPC. Circ. 471 ࢆ ᨵ ṇ ࡍ ࡿ ࡇ ࡜ ࡟ ྜ ព ࡋ ࠊࢥ ࣞ
ࢫ ࣏ ࣥ ࢹ ࣥ ࢫ ࢢ ࣝ ࣮ ࣉ CG 㸸 ( ➹ ⪅ ࡀ ᖿ ஦ ) ࢆ タ
⨨ ࡋ ࡚ MEPC59 ࡲ ࡛ ࡟ ࡑ ࡢ ᨵ ṇ ᱌ ࢆ స ᡂ ࡍ ࡿ
ࡼ࠺ጤクࡋࡓࠋ
MEPC59 ࡣ ࠊ ࡇ ࡢ CG ࠿ ࡽ ࡢ ሗ ࿌ ࡜ ᥦ ᱌ ( ᩥ
᭩ M EP C5 9/ 4/15) ࢆ ࡉ ࡽ ࡟ ᳨ ウ ࡋ ࠊ ⯪ ⯧ 㐠 ⯟ ࢚
ࢿ ࣝ ࢠ ຠ ⋡ ࢖ ࣥ ࢪ ࢣ ࣮ ࢱ ( EEO I) ࡢ ᣦ 㔪 ࢆ ᏶ ᡂ
ࡋ ࠊ M EPC/ Circ. 684 11 ) ࡜ ࡋ ࡚ Ⓨ ⾜ ࡋ ࡓ ࠋ
௨ ୗ ࡟ ࠊ EEOI ࡢ ᴫ せ ࢆ ㏙ ࡭ ࡿ ࠋ
(1) EEOI ࡣ ௨ ୗ ࡢ ᘧ ࡟ ࡼ ࡗ ࡚ ィ ⟬ ࡍ ࡿ ࠋ
EEOI =
¦ FC
j
u CF j
j
mc arg o u D
ࡇ ࡇ ࡟ ࠊ FC j ࡣ ⇞ ᩱ j ࡢ ౑ ⏝ 㔞 ࠊ C F j ࡣ ⇞ ᩱ j
ࡢ CO2 ᤼ ฟ ࣇ ࢓ ࢡ ࢱ ࠊM c a r g o ࡣ 㐠 ㏦ ࡋ ࡓ ㈌ ≀
㔞 ( 㔜 㔞 ton ࠊ ࢥ ࣥ ࢸ ࢼ TEU ᩘ ࠊ ࡲ ࡓ ࡣ ᪑ ᐈ
ᩘ ࡞ ࡝ ) ࠊD ࡣ ࡑ ࡢ ㈌ ≀ ࢆ 㐠 ࢇ ࡔ ㊥ 㞳 ( ᾏ 㔛 ) ࡛
࠶ࡿࠋ
⯟ ᾏ ᖹ ᆒ ࡢ EEOI ࢆ ồ ࡵ ࡿ ሙ ྜ ࡟ ࡣ ࠊ௨ ୗ
ࡢᘧ࡟ࡼࡗ࡚⟬ฟࡍࡿࠋ
EEOI
average=
¦¦ ( FC
¦ (m
i
ij
u CF j )
j
c arg o , i
83
(  ฟ Ⓨ ࠿ ࡽ ḟ   ࡬ ࡢ ฿ ╔ ࡞ ࡝ )ࠋ
(5) ౑ ⏝ ࡍ ࡿ ࢹ ࣮ ࢱ ( ㈌ ≀ 㔞 ࠊ ⇞ ᩱ ᾘ ㈝ 㔞 ࠊ 㐠
⯟ ㊥ 㞳 ) ࡣ ࠊ⯪ ⯧ ࡢ ࣟ ࢢ ࣈ ࢵ ࢡ ࠿ ࡽ ᚓ ࡽ ࢀ ࡿ ࠋ
(6) ᫬ 㛫 ༢ ఩ ( ౛ ࠼ ࡤ 1 ᖺ ) ࡢ ⛣ ື ᖹ ᆒ ࢆ ồ ࡵ
࡚ࡶࡼ࠸ࠋ
(7) 㐠 ⯟ ⪅ ࡣ ࠊ E EOI ࡢ ⟬ ฟ ࢆ ᐇ ᪋ ࡍ ࡿ ᥐ ⨨
ࢆ タ ❧ ࡋ ࠊᐇ ᪋ ࡍ ࡿ ( ࡇ ࢀ ࡣ ⯪ ⯧ ࢚ ࢿ ࣝ ࢠ ຠ
⋡࣐ࢿࢪ࣓ࣥࢺ࣭ࣉࣛࣥࡢ୰࡛ᐇ᪋ࡍࡿࡇ
࡜ ࡜ ࡞ ࡿ )ࠋ
㸬 ࡲ ࡜ ࡵ ௨ ୖ ࡟ ࠊIM O ࡟ ࠾ ࡅ ࡿ ᅜ 㝿 ⯟ ⾜ ⯪ ⯧ ࠿ ࡽ ࡢ
GHG(CO 2 ) ᤼ ฟ ࡟ 㛵 ࡍ ࡿ ᢏ ⾡ ⓗ ࡞ ື ྥ ࢆ ㏙ ࡭
ࡓࠋ
MEPC ࡛ ࡣ ௒ ᚋ ࠊ E EDI ⟬ ᐃ ᪉ ἲ (MEPC/
Circ. 681) ࡢ ᨵ Ⰻ ࠊEEDI ࡢ ࣋ ࣮ ࢫ ࣛ ࢖ ࣥ ࡢ タ
ᐃ ᪉ ἲ ࠊ EE DI ᣦ 㔪 ࢆ ⏝ ࠸ ࡚ ᪂ 㐀 ⯪ ࠿ ࡽ ࡢ
CO 2 ᤼ ฟ ప ῶ ࡢ ἲ ⓗ ᥐ ⨨ ࠊ E EOI ࡢ ⟬ ฟ ᪉ ἲ
(MEPC/Circ.684) ࡢ ᨵ Ⰻ ࢆ ᳨ ウ ࡍ ࡿ ࡇ ࡜ ࡜ ࡞
ࡗ ࡚ ࠸ ࡿ ࠋ ≉ ࡟ EEDI ࡟ ࠾ ࡅ ࡿ fw ࢆ ⟬ ᐃ ࡍ
ࡿ ࡓ ࡵ ࡢ ࢞ ࢖ ࢻ ࣛ ࢖ ࣥ ᱌ ࡢ స ᡂ ࠊ ཬ ࡧ E ED I
ࡢ࡭࣮ࢫࣛ࢖ࣥࡢసᡂࡀ㔜せㄢ㢟࡛࠶ࢁ࠺ࠋ
௒ᚋࡢ MEPC ఍㆟ࡢணᐃࡣࠊ௨ୗࡢ࡜࠾ࡾ࡛࠶
ࡿࠋ
MEPC60 ఍㆟㸸2010 ᖺ 3 ᭶
MEPC61 ఍㆟㸸2010 ᖺ 10 ᭶
MEPC62 ఍㆟㸸2011 ᖺ 7 ᭶
u Di )
i
ࡇࡇ࡟ࠊi ࡣ⯟ᾏᩘ࡛࠶ࡿࠋ
(2) C F ࡣ ࠊ EEDI ࡢ ᣦ 㔪 8 ) ࡟ ♧ ࡉ ࢀ ࡚ ࠸ ࡿ ್ ࢆ
⏝࠸ࡿࠋ
(3) ㈌ ≀ 㔞 ࡣ ௨ ୗ ࡟ ࡼ ࡿ 㸸
࣭ࢥ ࣥ ࢸ ࢼ ⯪ ௨ እ ࡢ ㈌ ≀ ⯪ (Ro-ro ㈌ ≀ ⯪ ࢆ ྵ
ࡴ )࡛ ࡣ ㈌ ≀ 㔜 㔞 ࢺ ࣥ ࢆ ⏝ ࠸ ࡿ ࠋ
࣭ ࢥ ࣥ ࢸ ࢼ ⯪ ࡛ ࡣ TEU ᩘ ࡲ ࡓ ࡣ ㈌ ≀ 㔜 㔞 ࢺ
ࣥࢆ⏝࠸ࡿࠋ
࣭᪑ᐈ⯪࡛ࡣ᪑ᐈᩘࡲࡓࡣࢢࣟࢫࢺࣥࢆ⏝࠸
ࡿࠋ
࣭ࢥࣥࢸࢼ࡜㈌≀ࢆΰ㍕ࡍࡿ⯪⯧࡛ࡣࠊ㍕Ⲵ
ࢥ ࣥ ࢸ ࢼ ࡣ 10 ࢺ ࣥ ࠊ ✵ ࢥ ࣥ ࢸ ࢼ ࡣ 2 ࢺ ࣥ
࡛᥮⟬ࡋ࡚ࠊ㈌≀㔜㔞ࢺ࡛ࣥ⾲ࡍࠋ
࣭࣮࢝ࣇ࢙࣮ࣜཬࡧ⮬ື㌴㐠ᦙ⯪࡛ࡣࠊ㐠ᦙ
⮬ື㌴ᩘ࡛⾲ࡋ࡚ࡶࡼ࠸ࠋ
࣭㕲㐨㌴୧㐠ᦙ⯪ཬࡧࣇ࢙࣮࡛ࣜࡣࠊ㌴୧ࡢ
㛗ࡉྜィ࡛⾲ࡋ࡚ࡶࡼ࠸ࠋ
(4) 㸯 ᅇ ࡢ ⯟ ᾏ ࡣ ࠊ ࠶ ࡿ   ࠿ ࡽ ࡢ ฟ Ⓨ ࠿ ࡽ ḟ ࡢ
  ࠿ ࡽ ࡢ ฟ Ⓨ ࡜ ࡍ ࡿ ࡀ ࠊ௚ ࡟ ᐃ ⩏ ࡋ ࡚ ࡶ ࡼ ࠸
ཧ⪃ᩥ⊩
1) MEPC45/8 Report on the outcome of the
IMO
Study
on
Greenhouse
Emissions from Ships, June 2000
Gas
2) IMO A.963 (23); IMO Policies and Practices
Related to the Reduction of Greenhouse Gas
Emission from ships, December 2003
3)
MEPC56/23 The Report of Marine
Environment Protection Committee on
its 56th session, July 2007
4) MEPC59/INF.10; Second IMO GHG Study
2009 Update of the 2000 IMO GHG Study
Final report covering Phase 1 and Phase 2,
April 2009
5) 2007. Special Report on Emissions
Scenarios: A Special Report of Working
Group III of the Intergovernmental Panel on
Climate Change. Cambridge University
84
Press, Cambridge, UK.
http://www.grida.no/publications/other/ipcc%5Fs
r/?src=/climate/ipcc/emission/index.htm
6) 8 SEDAC. The SRES Emissions Scenarios.
http://sedac.ciesin.columbia.edu/ddc/sres/index.h
tml (28 February 2008)
7) Wigley, T.M.L., Richels, R. and Edmonds, J.A.
1996. “Economic and environmental choices in
the stabilization of atmospheric CO2
concentrations”. Nature. 379, 242–245
8) MEPC/Circ.681; Interim Guidelines on the
method of calculation of the energy efficiency
design index for new ships (EEDI), 17 August
2009
9) MEPC/Circ.682; Interim Guidelines for
voluntary verification of the energy efficiency
design index, 17 August 2009
10) MEPC/Circ.683; Guidance for the development
of a ship energy efficiency management plan
(SEEMP), 17 August 2009
11) MEPC/Circ.684; Guidelines for voluntary use
of the ship energy efficiency operational
indicator (EEOI), 17 August 2009
12) MEPC57/4/12; CO2 emissions index per unit
shipping capacity, submitted by Japan, 25
January 2008
13) GHG-WG1/2/1; Assigning an attained and a
required design CO 2 index to a ship,
submitted by Denmark, 29 May 2008
14) GHG-WG1/2/2; Draft Guidelines for
assigning the CO2 design index to new ships,
submitted by Japan, 30 May 2008
15) MEPC58/4; Report of the outcome of the
first Intersessional Meeting of the Working
Group on GHG Emissions from Ships, 4 July
2008
16) MEPC58/WP.8; Report of the Working
Group on Greenhouse Gas Emissions from
Ships, 9 Oct. 2008
17) MEPC59/4/2; Report on the outcome of the
second Intersessional Meeting of the
Working Group on Greenhouse Gas
Emissions from Ships, 8 April 2009
18) MEPC/Circ.471; Interim Guidelines for
Voluntary Ship CO 2 Emission Indexing for
use in Trials, 29 July 2005
㝃㘓
MEPC/Circ.681
Interim Guidelines on the method of calculation of the energy efficiency design index for new
ships (EEDI), 17 August 2009
᪂㐀⯪࡟㛵ࡍࡿ࢚ࢿࣝࢠຠ⋡タィᣦ㔪ࡢᴫせ
MEPC ࡣ ྛ ᅜ ࡟ ᑐ ࡋ ࠊ EEDI ࢆ ୺ ᶵ ࡀ ┤ ᥋ ࣉ ࣟ ࣌ ࣛ ࢆ ື ࠿ ࡍ ᪂ 㐀 ⯪ ࡟ 㐺 ⏝ ࡍ ࡿ ࡇ ࡜ ࠊ ཬ ࡧ ࠊ ྍ ⬟ ࡛ ࠶
ࢀࡤࠊࢹ࢕࣮ࢮࣝⓎ㟁㸫㟁Ẽ࣮ࣔࢱ᥎㐍⯪ࠊࢱ࣮ࣅࣥ᥎㐍⯪ཬࡧࣁ࢖ࣈࣜࢵࢻ᥎㐍⯪࡟ࡶ㐺⏝ࡍࡿࡇ࡜
ࢆせㄳࡍࡿࠋ
㸯 㸬 ᐃ ⩏ (⯪ ✀ ࡢ ᐃ ⩏ )(ࡇ ࡇ ࡛ ࡣ ┬ ␎ ࡍ ࡿ )
㸰㸬࢚ࢿࣝࢠຠ⋡ィ⟬ᘧ
neff
nPTI
· § neff
§§ M
§ M ·§ nME
·
·
·
¨ – fj ¸¨ ¦ PME(i ) ˜CFME(i ) ˜ SFCME(i ) ¸ PAE ˜ CFAE ˜ SFCAE ¨ ¨ – fj ˜ ¦ PPTI (i ) ¦ feff (i ) ˜ PAEeff (i ) ¸CFAE ˜ SFCAE ¸ ¨¨ ¦ feff (i ) ˜ Peff (i ) ˜ CFME ˜ SFCME ¸¸
¨
¸ i1
¨
¸
¸
¨
i 1
i 1
¹
¹
© j 1 ¹©
¹
¹ ©i 1
©© j 1
fi ˜ Capacity˜Vref ˜ fw
* ㍈ Ⓨ 㟁 ࡢ ሙ ྜ ࡟ ࡣ ࠊ SFC ࡣ ୺ ᶵ ࡢ ್ SFC ME ࢆ ⏝ ࠸ ࡿ ࠋ
ὀ )ࡇ ࡢ ᘧ ࡣ ࠊࢹ ࢕ ࣮ ࢮ ࣝ Ⓨ 㟁 㸫 㟁 Ẽ ࣔ ࣮ ࢱ ᥎ 㐍 ⯪ ࠊࢱ ࣮ ࣅ ࣥ ᥎ 㐍 ⯪ ཬ ࡧ ࣁ ࢖ ࣈ ࣜ ࢵ ࢻ ᥎ 㐍 ⯪ ࡟ ࡣ 㐺 ⏝ ࡛
ࡁ࡞࠸࠿ࡶࡋࢀ࡞࠸ࠋ
海上技術安全研究所報告　第 9 巻　第 4 号　特集号（平成 21 年度）小論文
85
.1 C F ࡣ ࠊ ࡑ ࡢ ᶵ 㛵 ࡢ EIAPP ド ᭩ ࡟ グ ㍕ ࡉ ࢀ ࡓ ⇞ ᩱ ࡢ ್ ࢆ ࠊ ௨ ୗ ࡢ ⾲ ࡟ ᚑ ࡗ ࡚ ౑ ⏝ ࡍ ࡿ ࠋ
Type of fuel
Reference
Carbon
CF
content (t-CO 2 / t-Fuel)
1. Diesel/Gas Oil
ISO 8217 Grades DMX through DMC
0.875
3.206000
2. Light Fuel Oil (LFO)
ISO 8217 Grades RMA through RMD
0.86
3.151040
3. Heavy Fuel Oil (HFO)
ISO 8217 Grades RME through RMK
0.85
3.114400
4. Liquified Petroleum Gas
Propane
0.819
3.000000
(LPG)
Butane
0.827
3.030000
5. Liquefied Natural Gas (LNG)
0.75
2.750000
.2 V ref ࡣ ࠊ.3 ࡟ つ ᐃ ࡍ ࡿ Capacity ཬ ࡧ .5 ࡟ つ ᐃ ࡍ ࡿ ㍈ ฟ ຊ ࡢ ᇶ ࡛ ồ ࡵ ࡽ ࢀ ࡿ ⯪ ࡢ ㏿ ᗘ ࡛ ࠊẖ ᫬ ᙜ ࡾ ࡢ
ᾏ 㔛 ࡛ ♧ ࡍ ࠋ V re f ࢆ ồ ࡵ ࡿ ᮲ ௳ ࡣ ࠊ ኳ ೃ ࡀ ᖹ ✜ ࡛ ↓ 㢼 ࡛ Ἴ ࡀ ࡞ ࠸ ࠊ ῝ Ỉ ῝ ࡢ ᾏ ୖ ≧ ἣ ࡜ ࡍ ࡿ ࠋ ᭱ ኱ ㍕
Ⲵ㔜㔞ࡣࠊ୺⟶ᗇࡀᢎㄆࡋࡓ᚟ཎᛶࣈࢵࢡࣞࢵࢺ࡟⾲♧ࡉࢀࡓࢺ࣒ࣜ࡜᭱῝ႚỈ᮲௳࡛ᐃࡲࡿࡶࡢ࡜
ࡍࡿࠋ
.3 Capacity ࡣ ௨ ୗ ࡟ ࡼ ࡿ ࠋ
.3.1 ஝ ㈌ ≀ ⯪ ࠊ ࢱ ࣥ ࢝ ࣮ ࠊ ࢞ ࢫ ࢱ ࣥ ࢝ ࣮ ࠊ ࢥ ࣥ ࢸ ࢼ ⯪ ࠊ Ro-ro ㈌ ≀ ⯪ ཬ ࡧ ୍ ⯡ ㈌ ≀ ⯪ ࡛ ࡣ ࠊ DWT ࢆ
౑⏝ࡍࡿࠋ
.3.2 ᪑ ᐈ ⯪ ཬ ࡧ Ro-ro ᪑ ᐈ ⯪ ࡛ ࡣ ࠊ1969 ᖺ ࡢ ᅜ 㝿 ࢺ ࣥ ᩘ ᮲ ⣙ ࡢ Annex A ➨ 3 つ ๎ ࡟ つ ᐃ ࡍ ࡿ ࢢ ࣟ ࢫ
ࢺࣥࢆ⏝࠸ࡿࠋ
.3.3 ࢥ ࣥ ࢸ ࢼ ⯪ ࡛ ࡣ ࠊ Capacity ࡣ DWT ࡢ 65%ࢆ ⏝ ࠸ ࡿ ࠋ
.4 DWT ࡢ ᐃ ⩏ (┬ ␎ )
.5 P ࡣ ࠊ୺ ᶵ ཬ ࡧ ⿵ ᶵ ࡢ ฟ ຊ ࡛ ࠊk㹕 ࡛ ⾲ ࡍ ࠋ㝃 ᭩ ࡁ ࡢ ME ཬ ࡧ AE ࡣ ࡑ ࢀ ࡒ ࢀ ࠊ୺ ᶵ ཬ ࡧ ⿵ ᶵ ࢆ ⾲ ࡍ ࠋ
.5.1 P ME(i) ࡣ ࠊྛ ୺ ᶵ ࡟ ࠶ ࡗ ࡚ ࠊ᭱ ኱ 㐃 ⥆ ฟ ຊ (MCR)࠿ ࡽ ㍈ Ⓨ 㟁 ᶵ ࡢ ฟ ຊ P PTOi ࢆ ᕪ ࡋ ᘬ ࠸ ࡓ ᚋ ࡢ 75%
࡜ ࡍ ࡿ ࠋ P ME(i) =
0.75 u MCRMEi PPTOi ( P ME(i) ࢆ ồ ࡵ ࡿ ཧ ⪃ ࡜ ࡞ ࡿ ᅗ ࡣ ┬ ␎ ࡍ ࡿ ࠋ )
.5.2 P PTO(i) ࡣ ࠊ ㍈ Ⓨ 㟁 ᶵ ฟ ຊ ࢆ ࡑ ࡢ ຠ ⋡ ࡛ 㝖 ࡋ ࡓ ್ ࡢ 75%࡜ ࡍ ࡿ ࠋ
.5.3 P PTI(i) ࡣ ࠊ ㍈ ࣔ ࣮ ࢱ ࡢ ฟ ຊ ࢆ ࠊ Ⓨ 㟁 ᶵ ࡢ ຠ ⋡ ࡢ ຍ 㔜 ᖹ ᆒ ࡛ 㝖 ࡋ ࡓ ್ ࡢ 75%࡜ ࡍ ࡿ ࠋ ㍈ ࣔ ࣮ ࢱ /㍈ Ⓨ
㟁ඹ⏝ᆺࡢሙྜ࡟ࡣࠊ㏻ᖖ⯟⾜᫬ࡢ౑⏝ᙧែ࡟ᚑࡗ࡚ࠊ࠸ࡎࢀ࠿࡟౑⏝ࡍࡿ࠿Ỵࡵࡿࠋ
.5.4 P eff(i) ࡣ ࠊ᪂ ᢏ ⾡ ࡟ ࡼ ࡿ ᶵ Ე ⓗ ࡞ ࢚ ࢿ ࣝ ࢠ ຠ ⋡ ᨵ ၿ ࡟ ࡼ ࡿ ᶵ 㛵 ฟ ຊ ప ῶ 㔞 ࡢ 75%࡜ ࡍ ࡿ ࠋᶵ Ე ⓗ ࡟
ᅇ཰ࡋࡓ࢚ࢿࣝࢠࢆ୺㍈࡟┤᥋㏉ࡍሙྜ࡟ࡣࠊࡇࢀࢆ⟬ධࡋ࡞࠸ࠋ
.5.5 P AEeff
(i) ࡣ ࠊ ᪂ ᢏ ⾡ ࡟ ࡼ ࡾ 㟁 Ẽ ⓗ ࡟ ᅇ ཰ ࡉ ࢀ ࡓ ⿵ ᶵ ฟ ຊ ࡢ ฟ ຊ ప ῶ 㔞 ࡛ ࠶ ࡿ ࠋ
.5.6 P AE ࡣ ࠊᙜ ヱ ⯪ ⯧ ࡀ ࠊ Capacity ཬ ࡧ V fer ࡛ ⯟ ⾜ ࡋ ࡚ ࠸ ࡿ 㛫 ࡢ ࠊ᥎ 㐍 ᶵ Ე ࢩ ࢫ ࢸ ࣒ ཬ ࡧ ᒃ ఫ ༊ ᇦ ࡟
ᚲせ࡞㔞ࢆྵࡴࠊ⯟⾜᫬ࡢ㏻ᖖ᭱኱ᚲせ㔞ࢆ౪⤥ࡍࡿ⿵ᶵฟຊ࡜ࡍࡿࠋ౛࠼ࡤࠊ୺ᶵ࣏ࣥࣉࠊ⯟⾜
ࢩࢫࢸ࣒ཬࡧ⿦⨨୪ࡧ࡟ᒃఫ༊࡟ᚲせ࡞ࣃ࣮࣡ࢆྵࡴࡀࠊࢫࣛࢫࢱࠊ㈌≀࣏ࣥࣉࠊ㈌≀ࢠ࢔ࠊࣂࣛ
ࢫ ࢺ ࣏ ࣥ ࣉ ཬ ࡧ ㈌ ≀ ࡢ ࡓ ࡵ ࡢ ࣃ ࣡ ࣮ (෭ ⶶ ෭ ෾ ࠊ ㈌ ≀ ⯻ ࣇ ࢓ ࣥ )࡞ ࡝ ࡢ ᥎ 㐍 ᶵ Ე ࢩ ࢫ ࢸ ࣒ ௨ እ ࡢ ࢩ ࢫ
ࢸ ࣒ /⿦ ⨨ ࡟ ᚲ せ ࡞ ࣃ ࣡ ࣮ ࡣ ྵ ࡲ ࡞ ࠸ ࠋ
.1 ୺ ᶵ ฟ ຊ ࡀ 10000kW ௨ ୖ ࡢ ㈌ ≀ ⯪ ࡛ ࡣ ࠊ P AE ࡣ ௨ ୗ ࡢ ᘧ ࡟ ࡼ ࡿ ࠋ
nME
§
·
¨ 0.025 u ¦ MCRMEi ¸ 250
i 1
©
¹
.2 ୺ ᶵ ฟ ຊ ࡀ 10000kW ᮍ ‶ ࡢ ㈌ ≀ ⯪ ࡛ ࡣ ࠊ P AE ࡣ ௨ ୗ ࡢ ᘧ ࡟ ࡼ ࡿ ࠋ
nME
0.05 u ¦ MCRMEi
i 1