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Heavy-duty Vehicle and Engine Greenhouse Gas Emission Regulations

Version of section 20 from 2013-02-22 to 2018-11-15:


Marginal note:Standards

  •  (1) Class 2B and Class 3 heavy-duty vehicles and cab-complete vehicles of the 2014 and subsequent model years — excluding those referred to in the definition vocational vehicle in subsection 1(1) — must have N2O and CH4 emission values that do not exceed 0.05 g/mile for N2O or 0.05 g/mile for CH4 for the applicable useful life of the vehicle.

  • Marginal note:Calculation

    (2) The N2O and CH4 emission values must be calculated in accordance with section 24.

  • Marginal note:Fleet calculation

    (3) A company that manufactures or imports vehicles referred to in subsection (1) that exceed any of the standards set out in that subsection must group those vehicles of a given model year into a fleet and subfleets in accordance with section 18 and must calculate the N2O and CH4 emission deficits for that fleet, expressed in megagrams of CO2 and rounded in accordance with subsection 35(2), by adding the deficits for all those subfleets, if applicable, using the formula

    ((A – B) × C × D × E) ÷ (1 000 000)

    where

    A
    is 0.05 g/mile for N2O and 0.05 g/mile for CH4;
    B
    is the N2O or CH4 family emission limit for the fleet or subfleet, as the case may be, and corresponds to the N2O or CH4 emission value calculated in accordance with section 24;
    C
    is the number of vehicles in the fleet or subfleet, as the case may be;
    D
    is the useful life for the vehicle, namely, 120,000 miles; and
    E
    is the global warming potential and is equal to the following number of credits needed to offset a N2O and CH4 deficit:
    • (a) an emission credit of 298 Mg of CO2 to offset a deficit of 1 Mg of N2O; and

    • (b) an emission credit of 25 Mg of CO2 to offset a deficit of 1 Mg of CH4.

  • Marginal note:Family emission limit

    (4) For the purposes of subsection (3), every vehicle within the fleet or subfleet, as the case may be, must conform to the N2O or CH4 family emission limit corresponding to the emission value determined for B in the formula set out in that subsection.

  • Marginal note:Offsetting deficit

    (5) The deficit calculated under subsection (3) must be offset by using the CO2 emission credits obtained in accordance with sections 34 to 47 for the averaging set in which the fleet is included.

  • Marginal note:No credits

    (6) For greater certainty, the company must not obtain CO2 emission credits with respect to N2O and CH4 emissions for the purpose of participation in the CO2 emission credit system set out in sections 34 to 47.


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