Third IMO Greenhouse Gas Study 2014

46 Third IMO GHG Study 2014
1.3.2 CO 2 and fuel consumption for multiple years 2007–2012
Figure 29 shows the year-on-year trends for the total CO 2 emissions of each ship type, as estimated using the
bottom-up method. Figure 30 and Figure 31 show the associated total fuel consumption estimates for all years
of the study, from both the top-down and bottom-up methods. The total CO 2 emissions aggregated to the
lowest level of detail in the top-down analysis (international, domestic and fishing) are presented in Table 15
and Table 16.
Figure 29: CO 2 emissions by ship type (international shipping only),
calculated using the bottom-up method for all years 2007–2012
Table 15 – International, domestic and fishing CO 2 emissions 2007–2011 (million tonnes),
using the top-down method
Marine sector Fuel type 2007 2008 2009 2010 2011
International shipping HFO 542.1 551.2 516.6 557.1 554.0
MDO 83.4 72.8 79.8 90.4 94.9
LNG 0.0 0.0 0.0 0.0 0.0
Top-down international total All 625.5 624.0 596.4 647.5 648.9
Domestic navigation HFO 62.0 44.2 47.6 44.5 39.5
MDO 72.8 76.6 75.7 82.4 87.8
LNG 0.1 0.1 0.1 0.1 0.2
Top-down domestic total All 134.9 121.0 123.4 127.1 127.6
Fishing HFO 3.4 3.4 3.1 2.5 2.5
MDO 17.3 15.7 16.0 16.7 16.4
LNG 0.1 0.1 0.1 0.1 0.1
Top-down fishing total All 20.8 19.2 19.3 19.2 19.0
Total CO 2 emissions 781.2 764.1 739.1 793.8 795.4