average of 1.5% sulphur in the fuel used by the fleet between August 1, 2012, and December 31, 2012. Please note: The average of 1.5% sulphur in the fuel used by the fleet may be met by the vessels using a range of conventional fuels over that time, alternative fuels, or emission control technology. A vessel delivered into service after December 31, 2008, may further apply an efficiency credit of 10% to reduce its sulphur content in its fuel used over the period?per subsection 111.1(3) of the proposed Regulations. If data is available, the plan may include other years out to 2020. The plan should list, for each vessel in the fleet, its: Name Official number Port of Registry Gross tonnage Date on which the last survey was completed for its current Air Pollution Prevention Certificate (either Canadian or International). To access the Portable Document Format ( PDF ) version you must have a PDF reader installed. If you do not already have such a reader, there are numerous PDF readers available for free download or for purchase on the Internet: