Heavy-duty Vehicle and Engine Greenhouse Gas Emission Regulations

Marginal note:Value

• 32 (1) The CO₂ emission value for the following heavy-duty engines corresponds to the emission value of the tested engine configuration referred to in section 235(a) of Title 40, chapter I, subchapter U, part 1036, subpart C, of the CFR for the engine family, measured in accordance with the following duty cycles, taking into account sections 108(d) to (f) and 150(g) and (m) of subpart B, sections 235(b) and 241(c) and (d) of subpart C and subparts E and F of Title 40, chapter I, subchapter U, part 1036, of the CFR:

  • (a) for medium heavy-duty engines and heavy heavy-duty engines that are compression-ignition engines designed to be used in tractors or incomplete tractors, the steady state duty cycle;

  • (b) for medium heavy-duty engines and heavy heavy-duty engines that are compression-ignition engines designed to be used in both vocational vehicles or incomplete vocational vehicles and tractors or incomplete tractors, the steady state duty cycle and transient duty cycle; and

  • (c) for engines other than those referred to in paragraphs (a) and (b), the transient duty cycle.

• Marginal note:Engine configuration

  (2) For the purposes of subsection (1), the tested engine configuration for the model year in question is determined using the engine sales in Canada if none of the engines of the engine family are sold in the United States.