Heavy-duty Vehicle and Engine Greenhouse Gas Emission Regulations

Marginal note:Definition of adjustable parameter

• 15 (1) In this section, adjustable parameter means a device, system or element of design that is capable of being adjusted to affect the emissions or performance of a heavy-duty vehicle, heavy-duty engine or trailer during emission testing or normal in-use operation, but does not include a device, system or element of design that is permanently sealed by the manufacturer or that is inaccessible using ordinary tools.

• Marginal note:Standards

  (2) A heavy-duty vehicle, heavy-duty engine or trailer that is equipped with adjustable parameters must conform to the applicable standards under these Regulations for any specification within the adjustable range.

• Marginal note:Fairings

  (3) A tractor’s roof fairing and a trailer’s rear fairing are not adjustable parameters for the purposes of this section.