# ISO 23274-2:2012 — Withdrawn and superseded ISO standards For ISO 23274-2:2012, item title is Hybrid-electric road vehicles — Exhaust emissions and fuel consumption measurements — Part 2: Externally chargeable vehicles; status code is 9599; successor is ISO 23274-2:2021; withdrawn / published date is 2012-07-26, recorded from its source on 2026-08-05. - **Identifier:** ISO 23274-2:2012 _(verified: appears in the quote below)_ - **Item title:** Hybrid-electric road vehicles — Exhaust emissions and fuel consumption measurements — Part 2: Externally chargeable vehicles _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 23274-2:2021 - **Withdrawn / published date:** 2012-07-26 _(verified: appears in the quote below)_ ## What the source says > 54848,IS,,ISO 23274-2:2012,Hybrid-electric road vehicles — Exhaust emissions and fuel consumption measurements — Part 2: Externally chargeable vehicles,Véhicules routiers électriques hybrides — Mesurages des émissions à l'échappement et de la consommation de carburant — Partie 2: Véhicules rechargeables par des moyens externes,2012-07-26,1,['43.120'],ISO/TC 22/SC 37,9599,[41418],[78417],['en'],34,"

ISO 23274-2:2012 specifies a chassis dynamometer test procedure to determine the end of CD (charge-depleting) state and consumed electric energy during CD state.

The identification of the end of CD state is an important step for procedures to determine exhaust emissions and fuel consumptio ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).