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GB 22757.2-2023: Energy consumption label for light-duty vehicles - Part 2: For off-vehicle-chargeable hybrid electric vehicles andbattery electric vehicles
GB 22757.2-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
CCS T 08
Replacing GB 22757.2-2017
Energy Consumption Label for Light-duty Vehicles - Part 2:
For Off-vehicle-chargeable Hybrid Electric Vehicles and
Battery Electric Vehicles
ISSUED ON: SEPTEMBER 8, 2023
IMPLEMENTED ON: JULY 1, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
Introduction ... 5
1 Scope ... 6
2 Normative References ... 6
3 Terms and Definitions ... 7
4 General Requirements ... 7
5 Content of Label ... 7
6 Main Data of Label ... 8
7 Requirements for Label ... 11
Appendix A (normative) Electronic Label ... 17
Appendix B (normative) Pattern Requirements of Each Functional Area of Label ... 21
Energy Consumption Label for Light-duty Vehicles - Part 2:
For Off-vehicle-chargeable Hybrid Electric Vehicles and
Battery Electric Vehicles
1 Scope
This document specifies the content, format, material and pasting requirements for the energy
consumption label of light-duty vehicles.
This document is applicable to Category-M1, M2 and N1 off-vehicle-chargeable hybrid electric
vehicles and battery electric vehicles, and with a maximum design total mass not exceeding
3,500 kg.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in this text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB/T 788 Formats and Their Sizes of Books and Magazines
GB/T 3181 Color Standard for Paint Film
GB/T 18284 QR Code
GB/T 18386.1-2021 Test Methods for Energy Consumption and Range of Electric Vehicles -
Part 1: Light-duty Vehicles
GB 19578 Fuel Consumption Limits for Passenger Cars
GB/T 19596 Terminology of Electric Vehicles
GB/T 19753-2021 Test Methods for Energy Consumption of Light-duty Hybrid Electric
Vehicles
GB 20997 Limits of Fuel Consumption for Light-duty Commercial Vehicles
GB 22757.1 Energy Consumption Label for Light-duty Vehicles - Part 1: For Gasoline and
Diesel Vehicles
GB/T 32694 Plug-in Hybrid Electric Passenger Cars - Specifications
b) Vehicle model;
c) Engine model, displacement and maximum net power, where the unit of displacement
is milliliter (mL) and the unit of maximum net power is kilowatt (kW);
d) Drive motor peak power, expressed in (kW);
e) Energy types: off-vehicle-chargeable hybrid electric vehicles (gasoline / electricity),
off-vehicle-chargeable hybrid electric vehicles (diesel / electricity) ……;
f) Transmission type, such as: manual, automatic, continuously variable, dual clutch, or
the corresponding English abbreviations: MT, AT, AMT, CVT and DCT, etc.;
NOTE: if there is no transmission, it can be deleted.
g) Complete vehicle curb weight and maximum design total mass, expressed in (kg);
h) Fuel consumption, expressed in (L/100 km);
i) Electric energy consumption, expressed in (kW  h/100 km);
j) Estimated energy cost, expressed in (yuan/100 km);
k) CO2 emission, expressed in (g/km);
l) Electric driving range, expressed in (km);
m) A statement of the difference between label data and actual data;
n) QR code and label category pattern;
o) Other information, such as: label enabling date and additional information specified
by the government authorities.
6 Main Data of Label
6.1 BEV
6.1.1 Electric energy consumption
The electric energy consumption data refers to the energy consumption type certification value
determined in accordance with GB/T 18386.1-2021. The electric energy consumption data shall
be rounded (off) to one decimal place.
6.1.2 Electric energy equivalent fuel consumption
The electric energy equivalent fuel consumption data is the data after converting the electric
in a high-temperature environment or the industry average decrease rate compared to the type
certification value.
6.2 OVC-HEV
6.2.1 Fuel consumption
The fuel consumption data includes comprehensive fuel consumption, comprehensive
converted fuel consumption from oil and electricity, and fuel consumption data in power deficit
state. The comprehensive fuel consumption data refers to the “OVC-HEV fuel consumption”
type certification value determined in accordance with GB/T 19753-2021. The comprehensive
converted fuel consumption from oil and electricity refers to the “OVC-HEV converted fuel
consumption”4) calculated in accordance with G.3 in GB/T 19753-2021. The fuel consumption
data in power deficit state refers to the “charge-sustaining mode test fuel consumption” type
certification value determined in accordance with GB/T 19753-2021. The fuel consumption
data shall be rounded (off) to two decimal places.
6.2.2 Electric energy consumption
The electric energy consumption data refers to the “OVC-HEV electric energy consumption”
type certification value determined in accordance with GB/T 19753-2021. The data shall be
rounded (off) to one decimal place.
6.2.3 Estimated energy cost
The OVC-HEV estimated energy cost is calculated in accordance with Formula (2). The data
shall be rounded (off) to two decimal places:
Where,
CH---the estimated energy cost, expressed in (yuan/100 km);
FH---the “OVC-HEV fuel consumption” type certification value, expressed in (L/100 km);
PF---the estimated fuel price, for gasoline, take 7.502), for diesel, take 7.002), expressed in
(yuan/L);
EH---the “OVC-HEV electric energy consumption” type certification value, expressed in (kW
 h/100 km);
PE---the estimated electricity price, take 0.662), expressed in [yuan/(kW  h)].
6.2.4 CO2 Emission
4) The method refers to the simple conversion method, and the conversion method will be updated in a timely manner
in accordance with the actual situation. The OVC-HEV electric energy consumption and OVC-HEV fuel
consumption used for the comprehensive converted fuel consumption from oil and electricity are type certification
values.
The CO2 emission data refers to the CO2 emission calculated through the conversion formula
in GB 19578 in accordance with the “OVC-HEV fuel consumption” type certification value
determined in accordance with GB/T 19753-2021. The data shall be rounded (off) to two
decimal places.
6.2.5 Electric driving range
The electric driving range data of Category-M1 vehicles refers to the driving range calculated
in accordance with GB/T 32694. The electric driving range data of Category-N1 and M2 vehicles
refers to the driving range5) determined in accordance with the corresponding test method in
GB 20997. The data shall be rounded (off) to an integer.
7 Requirements for Label
7.1 Division of Functional Areas
7.1.1 Overview
The label consists of four functional areas: “title area”, “information area”, “description area”
and “additional information area”. See Figure B.1 ~ Figure B.4 in Appendix B.
7.1.2 Title area
The “title area” is located at the top of the label, with “enterprise label” on the left and “label
“AUTOMOBILE ENERGY CONSUMPTION LABEL” in capital letters in English, which are
arranged with Chinese at the top and English at the bottom.
7.1.3 Information area
7.1.3.1 The “information area” is divided into two parts: “basic information area of model” and...