Diesel Fuel
The Sulphur in Diesel Fuel Regulations set maximum limits for sulphur in on-road, off-road, rail (locomotive) and marine (vessel) diesel fuels. The production, import and sales limits and effective dates of the regulations are summarized in the table below.
| SulphurLimit (mg/kg) | On-Road Diesel Fuel | Off-Road Diesel Fuel | Rail and Marine Diesel Fuel | |
| 500 | Production or Import | Since 1998 | June 1, 2007 | June 1, 2007 |
| Sales | Since 1998 | October 1, 20072 | October 1, 20072 | |
| 22 | Sales | September 1, 2006 | N/A | N/A |
| 15 | Production or Import | June 1, 2006 | June 1, 2010 | June 1, 2012 |
| Sales | October 15, 20061 | October 1, 20103 | N/A | |
1 - September 1, 2007 in the Northern Supply Area
2 - December 1, 2008 in the Northern Supply Area
3 - December 1, 2011 in the Northern Supply Area
Discussion documents on the design of the Canadian regulation are available under Fuel Reports.
More on the Sulphur in Diesel Fuel Regulations.
Environment Canada carried out a survey of diesel fuel in 2001 / 2002. Refiners and importers were requested to provide information on the levels of cetane, aromatics and PAHs in both on-road and off-road diesel between July 2001 and December 2002. More on the voluntary survey on diesel fuel quality.
