ISO-23274-1 Hybrid-electric road vehicles - Exhaust emissions and fuel consumption measurements - Part 1: Non-externally chargeable vehicles

ISO-23274-1 - 1ST EDITION - CURRENT


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ISO 23274-1:2013 specifies a chassis dynamometer test procedure to measure the exhaust emissions and the electric energy and fuel consumption for the vehicles.

It applies to vehicles with the following characteristics:

  • the vehicle is classified as passenger cars or light duty trucks, as defined in each regional annex;
  • the nominal energy of the rechargeable energy storage system (RESS) is at least 2 % of the total energy consumption over an applicable driving test (ADT);
  • internal combustion engine (ICE) only using liquid fuels (for example, gasoline and diesel fuel).

In the case of vehicles with ICE using other fuel [for example, compressed natural gas (CNG), liquefied petroleum gas (LPG), hydrogen], this part of ISO 23274 can apply except the measurement of consumed fuel; otherwise the measurement method for those using the corresponding fuel can apply.

ISO 23274-1:2013 proposes procedures for correcting the measured emissions and fuel consumption of hybrid electric vehicles (HEVs), in order to obtain the values when the battery state of charge (SOC) of the RESS does not remain the same between the beginning and the end of an ADT.

It can also be applied to measurement procedures for exhaust emissions and fuel consumption of externally chargeable HEVs when a vehicle is not externally charged and operated only in the charge sustaining (CS) state, as described in ISO 23274-2.

For CS state, see ISO 23274-2.

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43.120 (Electric road vehicles Including their components and systems Tyres for road vehicles, see 83.160.10)

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Document Number

ISO 23274-1:2013

Revision Level

1ST EDITION

Status

Current

Publication Date

Jan. 15, 2013

Committee Number

ISO/TC 22/SC 21