Current Regulations

Off-Road Compression-Ignition Engine Emission Regulations (SOR/2005-32)

The Off-Road Compression-Ignition Engine Emission Regulations (the Regulations) introduced emission standards for diesel engines used in off-road applications such as those typically found in construction, mining, farming and forestry machines. The Regulations, under section 160 of the Canadian Environmental Protection Act, 1999 (CEPA 1999), applied to engines of the 2006 and later model year.

The Regulations Amending the Off-Road Compression-Ignition Engine Emission Regulations (the Amendments) impose stricter standards and new requirements starting with engines of the 2012 and later model years. The Regulations, including the Amendments, apply to persons in the business of manufacturing, distributing or importing for sale in Canada off-road diesel engines and machines, and to persons who import these engines and machines for their own use.

Contact Information:

Regulatory Administration Section
Transportation Division
Environment Canada 351 St. Joseph Boulevard
Gatineau, QC  K1A 0H3
Phone number: 819-420-4209
Email address:

Information to Help in Complying with the Regulations:

The contents of regulations and other regulatory instruments can be confusing for those who are not skilled in reading legal documents, or who may have difficulty understanding technical content. To help regulatees comply with regulatory requirements, materials that present legal or technical content in a more easily understandable format are provided. See "Other Useful Links" below.

Publication Information:

Canada Gazette Date published Volume and number
Part 1: 2004-05-08 vol. 138, No. 19
Part 2: 2005-02-23 vol. 139, No. 4

Regulatory Text in HTML and PDF:


Other Useful Links:

For the Regulations, compliance-related materials include:

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