Document ID: chunk:federal_register_of_legislation:F2023L00129:reg:20:p2
Version: federal_register_of_legislation:F2023L00129
Segment Type: reg
Provision Reference: reg 20 (pt 2/29)
Character Range: 210140–215268

Maximum and/or minimum intake depression
              1.3.2. Maximum allowable back pressure
              1.3.3. Exhaust system volume
              1.3.4. Restrictions of use (if any)
1.4. Emission levels of the engine/parent engine1
Deterioration Factor (DF): calculated/fixed1
              Specify the DF values and the emissions on the WHSC (if applicable) and WHTC tests in the table below.

              1.4.1. WHSC test
Table 4
WHSC test
                                                                                                                                                                                    WHSC test (if applicable)*,**
DF                                                                                                                                                                                  CO                             THC                     NOX       PM Mass   NH3  PM Number
                                                                                                                                                                                                                                 NMHC‡
Mult/add1

Emissions                                                                                                                                                                           CO                             THC (mg/kWh)  NMHC‡     NOX       PM Mass   NH3  PM Number
                                                                                                                                                                                    (mg/kWh)                                               (mg/kWh)  (mg/kWh)  ppm  (#/kWh)
Test result                                                                                                                                                                                                                      (mg/kWh)
Calculated with DF
CO2 mass emission: g/kWh
Fuel consumption: g/kWh
    Notes:
  * In the case of engines considered in paragraphs 4.6.3. and 4.6.6. of this Regulation, repeat the information for all fuels tested, when applicable.
  ** In the case of dual-fuel engines of Type 1B, Type 2B, and Type 3B, types as defined in Annex 15 to this Regulation, repeat the information in both dual-fuel and diesel mode.
‡In the cases laid down in Table 1 of Annex 15 to this Regulation for dual-fuel engines, and for positive ignition engines. "

              1.4.2. WHTC Test
Table 5
WHTC Test
WHTC test*,**
DF                                                                                                                                                                                   CO        THC       NMHC‡     CH4‡      NOx       PM Mass   NH3  PM Number
Mult/add1
Emissions                                                                                                                                                                            CO        THC       NMHC‡     CH4‡      NOx       PM Mass   NH3  PM Number
                                                                                                                                                                                     (mg/kWh)  (mg/kWh)  (mg/kWh)  (mg/kWh)  (mg/kWh)  (mg/kWh)  ppm  (#/kWh)
Cold start
Hot start w/o regeneration
Hot start with regeneration(1)
kr,u (mult/add) 1
kr,d (mult/add) 1
Weighted test result
Final test result with DF
CO2 mass emission: g/kWh
Fuel consumption: g/kWh
    Notes:
  * In the case of engines considered in paragraphs 4.6.3. and 4.6.6. of this Regulation, repeat the information for all fuels tested, when applicable.
  ** In the case of dual-fuel engines of Type 1B, Type 2B, and Type 3B, types as defined in Annex 15 to this Regulation , repeat the information in both dual-fuel and diesel mode.
  ‡ In the cases laid down in Table 1 of Annex 15 to this Regulation for dual-fuel engines, and for positive ignition engines.

       1.4.3. Idle test
       Table 6
       Idle test
Test            CO value   Lambda1  Engine speed   Engine oil temperature (°C)
                (%vol)              (min-1)
Low idle test              N/A
High idle test

              1.4.4.                       PEMS demonstration test
       Table 6a
       PEMS demonstration test
Vehicle type (e.g. M3, N3 and application e.g. rigid or articulated truck, city bus)
Vehicle description (e.g. vehicle model, prototype)
Pass Fail Results[16]:                                                                                                                    CO        THC       NMHC      CH4  NOx  PM number
  Work window conformity factor4
  CO2 mass window conformity factor4
Trip information:                                                                                                                         Urban     Rural     Motorway
  Shares of time of the trip characterised by urban, rural and motorway operation as described in paragraph 4.5. of Annex 8
  Shares of time of the trip characterised by accelerating, decelerating, cruising and stop as described