Heavy-duty Vehicle and Engine Greenhouse Gas Emission Regulations — 1
es inflated to the manufacturer’s recommended cold tire inflation pressure. ( rayon sous charge statique ) steady state duty cycle means the test cycle that is referred to in section 1362 of Title 40, chapter I, subchapter C, part 86, subpart N, of the CFR. ( cycle de service permanent ) test group , in respect of a company’s Class 2B and Class 3 heavy-duty vehicles, excluding those that are vocational vehicles or incomplete vocational vehicles, and the company’s engines referred to in section 25, means (a) if they are covered by an EPA certificate, the grouping for which the EPA certificate was issued; and (b) if they are not covered by an EPA certificate, the grouping determined in accordance with section 1827 of Title 40, chapter I, subchapter C, part 86, subpart S, of the CFR. ( groupe d’essai ) test weight means the vehicle weight that is used or represented during testing. ( masse à l’essai ) tire pressure monitoring system means a system that is installed on a vehicle or a trailer to monitor the air pressure in each tire and alert the driver when the tire pressure falls below a specified value. ( système de surveillance de la pression des pneus ) tire rolling resistance level means the rolling resistance of a tire configuration, expressed in kilograms per tonne. ( niveau de résistance au roulement du pneu ) tractor means a Class 7 or Class 8 heavy-duty vehicle that is manufactured primarily for pulling a trailer but not for carrying cargo other than cargo in the trailer. ( tracteur routier ) trailer means equipment with wheels that is designed to carry cargo and be pulled by a tractor when coupled to the tractor’s fifth wheel, excluding equipment that (a) is less than 10.67 metres (35 feet) in length and has three axles; (b) has four or more axles; (c) has adjacent axles whose centrelines are at least 305 cm (120 inches) apart and, if the distance between the axles is adjustable, cannot be set closer together; (d) is intended to be used as a temporary or permanent residence or as an office or other work space; or (e) is designed for use in military combat or combat support. ( remorque ) trailer family , in respect of a company’s trailers, means (a) if they are covered by an EPA certificate, the grouping for which the EPA certificate was issued; or (b) if they are not covered by an EPA certificate, the trailers within a grouping referred to in section 230 of Title 40, chapter I, subchapter U, part 1037, subpart C, of the CFR, except that a reference to “vehicle” in sections 230(b) and (d)(3) of Title 40, chapter I, subchapter U, part 1037, subpart C, of the CFR must be read as a reference to “trailer”. ( famille de remorques ) transient duty cycle means the test cycle that is referred to in section 1333 of Title 40, chapter I, subchapter C, part 86, subpart N, of the CFR. ( cycle de service transitoire ) urban vocational vehicle means a vocational vehicle that has any of the characteristics of a vehicle to which the urban duty cycle is applicable under section 510 of Title 40, chapter I, subchapter U, part 1037, subpart F, of the CFR. ( véhicule spécialisé urbain ) vehicle configuration means, in respect of Class 2B and Class 3 heavy-duty vehicles and cab-complete vehicles, a configuration as defined in section 1819(d)(12)(i) of Title 40, chapter I, subchapter C, part 86, subpart S, of the CFR. ( configuration de véhicule ) vehicle family , in respect of a company’s tractors or vocational vehicles, means (a) if they are covered by an EPA certificate, the grouping for which the EPA certificate was issued; or (b) if they are not covered by an EPA certificate, the grouping determined in accordance with section 230 of Title 40, chapter I, subchapter U, part 1037, subpart C, of the CFR. ( famille de véhicules ) vehicle service class means any one of the following groups: (a) light heavy-duty vehicles; (b) medium heavy-duty vehicles; or (c) heavy heavy-duty vehicles. ( classe de service ) vehicle subconfiguration means, within