Heavy-duty Vehicle and Engine Greenhouse Gas Emission Regulations

Marginal note:Model year

• 4 (1) Subject to subsection (3), a year that is used by a manufacturer as a model year must,

  • (a) if the period of production of a model of heavy-duty vehicle, heavy-duty engine or trailer does not include January 1 of a calendar year, correspond to the calendar year during which the period of production falls; and

  • (b) if the period of production of a model of heavy-duty vehicle, heavy-duty engine or trailer includes January 1 of a calendar year, correspond to that calendar year.

• Marginal note:Period of production

  (2) The period of production of a model of heavy-duty vehicle, heavy-duty engine or trailer must include only one January 1.

• Marginal note:Vocational vehicles and tractors — as of 2021

  (3) For vocational vehicles, incomplete vocational vehicles, tractors and incomplete tractors whose main assembly is completed on or after January 1, 2021, the vehicle’s model year is the calendar year corresponding to the calendar year during which its main assembly is completed. However, a company may choose to designate the vehicle’s model year as being

  • (a) the model year that corresponds to the calendar year after the calendar year during which the vehicle’s main assembly is completed; or

  • (b) the model year that corresponds to the calendar year before the calendar year during which the vehicle’s main assembly is completed if,

    • (i) in the case of a vehicle whose engine is installed in the United States, the engine’s model year is also from an earlier year in accordance with section 601(a)(2) of Title 40, chapter I, subchapter U, part 1037, subpart G, of the CFR and, if the engine is installed after March 31 of the calendar year during which the vehicle’s main assembly is completed, the company has obtained prior approval from the EPA, and

    • (ii) in the case of a vehicle whose engine is installed in Canada,

      • (A) the engine’s model year is also from an earlier year and the standards applicable under these Regulations to engines of that earlier model year are the same as those applicable to engines of a model year that corresponds to the calendar year during which the vehicle’s main assembly is completed, or

      • (B) the engine’s model year is the model year that corresponds to the calendar year before the calendar year during which the vehicle’s main assembly is completed and the engine is installed before March 31 of the calendar year during which the vehicle’s main assembly is completed.