Document ID: chunk:federal_register_of_legislation:F2021C01210:reg:6:p5
Version: federal_register_of_legislation:F2021C01210
Segment Type: reg
Provision Reference: reg 6 (pt 5/24)
Character Range: 13899–16894

III
        2.1 For the purpose of this Regulation the following definitions are common to Parts I, II and III:
        2.2 "Net power" means the power of a C.I. engine as defined in annex 10 to this Regulation;
        2.3 "Compression ignition (C.I.) engine" means an engine which operates on the compression-ignition principle (e.g. Diesel engine);
        2.4 "Cold-start device" means a device which by its operation temporarily increases the amount of fuel supplied to the engine and is intended to facilitate starting of the engine;
        2.5 "Opacimeter" means an instrument for continuous measurement of the light absorption coefficients of the exhaust gases emitted by vehicles, as specified in annex 8 to this Regulation;
        2.6 "Maximum rated speed" means maximum speed permitted by the governor at full load;
        2.7 "Minimum rated speed" means,
        2.7.1 either the highest of the following three engine speeds
45 per cent of maximum net power speed
1000 rpm
minimum speed permitted by the idling control
        2.7.2 or such lower speed as the manufacturer may request.
        2.8. Hybrid vehicles (HV)
        2.8.1. "Hybrid vehicle (HV)" means a vehicle with at least two different energy converters and two different energy storage systems (on vehicle) for the purpose of vehicle propulsion.
        2.8.2. "Hybrid electric vehicle (HEV)" means a vehicle that, for the purpose of mechanical propulsion, draws energy from both of the following on-vehicle sources of stored energy/power:
         - a consumable fuel
            - an electrical energy/power storage device (e.g.: battery, capacitor, flywheel/generator ...)

        PART I - EMISSION OF VISIBLE EXHAUST POLLUTANTS FROM C.I. ENGINES
3. DEFINITIONS
For the purpose of Part I of this Regulation:
        3.1 Approval of a C.I. engine means the approval with regard to the limitation of the emission of visible exhaust pollutants from the engine,
        3.2 "Engine type" means a category of a C.I. engine for installation in a motor vehicle which does not differ in such essential characteristics as those defined in annex 1 to this Regulation except for modifications as permitted by paragraphs 7.2 and 7.3 of this Regulation,
        3.3 "An engine representative of the type to be approved" means the engine which develops the highest net power within the engine type,
        3.4 Other applicable definitions to this Part I are given in paragraph 2 to this Regulation.
4. APPLICATION FOR APPROVAL
4.1 Emission of visible pollutants
        4.1.1 The application for approval of an engine type with regard to the limitation of the emission of visible pollutants from the engine shall be submitted by the engine manufacturer or by his duly accredited representative or a vehicle manufacturer.
        4.1.2 It shall be accompanied by the following documents in triplicate: description of the engine comprising all the relevant particulars referred to in annex 1 to this Regulation.
        4.1.3