1. 1 Safe, non-pollutant shipping, with Swedish shipping leading the way Technical workshop meeting on emissions from aviation and maritime transport 4 Oct 2007 Reidar Grundström

2. 2 Difficulties Leisure boats 74 Gg, 13% of domestic CO 2 Engine characteristics – emission factors Installed engine types Number of boats Fuel used Emissions of CO2 for domestic navigation 1990-2004 1990 1000-tonnes (Gg) 567

3. 3 Leisure boats - survey Survey 2004 by telephone (Statistics Sweden) to estimate number of boats, type, size, use etc 13 000 persons (about 81% responded) Results: 718 000 boats in total –Roughly 200 000 with gasoline engines (> 10 kW installed power) –About 32 500 m 3 gasoline used, 2004 –51% 2-stroke engines –About 12 000 m 3 diesel used, 2004

4. 4 Leisure boats - survey Quality of results – considered to be good Results of survey 2004 used in climate reporting Second survey planned to 2008 – yet to be decided

5. 5 Thank you for paying attention!

6. 6 Leisure boats Gasoline [g/kg fuel] NOxNMVOCCH 4 CONH 3 N2ON2O 2-stroke 2.675055.06 8920.0040.02 4-stroke 9.7034.41.721 0220.0050.08 Reference: EMEP/CORINAIR 15 February, 1996 Emission Inventory Guidebook Table 8-2: Bulk emission factors for 'Other Mobile Sources and Machinery', part 2: gasoline engines - Inland waterways