Heavy-duty Vehicle and Engine Greenhouse Gas Emission Regulations

Version of section 25 from 2013-02-22 to 2018-11-15:


Marginal note:Spark-ignition engines

 A company may elect to include heavy-duty engines that are spark-ignition engines in a fleet of Class 2B and Class 3 heavy-duty vehicles and cab-complete vehicles — excluding those referred to in the definition vocational vehicle in subsection 1(1) — if the following conditions are met:

  • (a) the fleet is composed of vehicles equipped with engines of the same model year, design and hardware;

  • (b) the engines are installed in heavy-duty incomplete vehicles that are not cab-complete vehicles, or are sold without being installed in a vehicle;

  • (c) the number of engines referred to in paragraph (b) represent not more than 10% of the number of engines — whether they are installed in vehicles or not — that are of the same model year, design and hardware in the fleet;

  • (d) instead of conforming to sections 29 and 30, the engines referred to in paragraph (b) must conform to

    • (i) the N2O and CH4 emission standards and the calculations of the emission values referred to in section 20, and

    • (ii) the CO2 emission target value and test result determined in accordance with section 150(m)(6) of Title 40, chapter I, subchapter U, part 1037, subpart B, of the CFR; and

  • (e) the company reports its election in its end of model year report.

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