Document ID: chunk:federal_register_of_legislation:F2023L00129:reg:99:p37
Version: federal_register_of_legislation:F2023L00129
Segment Type: reg
Provision Reference: reg 99 (pt 37/39)
Character Range: 1258902–1262038

This paragraph is reserved for alternative provisions relating to alternative light-duty OBD and NOx control requirements.
[7] This would typically be the case of a liquefied bio-methane
 [8] Ageing procedure in Annex 13 needs to be finalised before type approvals can be drafted.
 [9] The distinguishing numbers of the Contracting Parties to the 1958 Agreement are reproduced in Annex 3 to the Consolidated Resolution on the Construction of Vehicles (R.E.3), document ECE/TRANS/WP.29/78/Rev.2/Amend.1 - www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29resolutions
 [10] Information concerning engine performance shall only be given for the parent engine.
 [11] Specify the tolerance; to be within ±3 % of the values declared by the manufacturer.
 † In the case of dual-fuel engines of Type 1B, Type 2B, and Type 3B, types as defined in Annex 15, repeat the information in both dual-fuel and diesel mode.
 [12] Delete as appropriate.
 [13] Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation).
 [14] Strike out what does not apply.
 [15] If the means of identification of type contains characters not relevant to describe the vehicle, component or separate technical unit types covered by this information document, such characters shall be represented in the documentation by the symbol "?" (e.g. ABC?123??).
[†] †  Dual fuel engines.
 [16] Delete as appropriate.
 [17] Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation).
 [18] Strike out what does not apply.
 [19] If the means of identification of type contains characters not relevant to describe the vehicle, component or separate technical unit types covered by this information document, such characters shall be represented in the documentation by the symbol "?" (e.g. ABC?123??).
 [20] Classified according to definitions listed in "Consolidated Resolution on the Construction of Vehicles (R.E.3)" - ECE/TRANS/WP.29/78/Rev.2, para.2.
 [21] Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation).
 [22] Strike out what does not apply.
 [23]  If the means of identification of type contains characters not relevant to describe the vehicle, component or separate technical unit types covered by this information document, such characters shall be represented in the documentation by the symbol "?" (e.g. ABC?123??).
 [24] Classified according to definitions listed in "Consolidated Resolution on the Construction of Vehicles (R.E.3)" - ECE/TRANS/WP.29/78/Rev.2, para.2.
[†] †  Dual fuel engines.
   [25] The Regulation No. 85 is given merely as an example.
 [26] The numbering of this annex is consistent with the numbering of gtr No. 4 on WHDC. However, some sections of the WHDC gtr are not needed in this annex.
 [27] Stoichiometric Air/Fuel ratios of automotive fuels - SAE J1829, June 1987. John B. Heywood, Internal combustion engine fundamentals, McGraw-Hill, 1988, Chapter 3.4 "Combustion stoichiometry" (pp. 68 to 72).
 [28]