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GB 27999-2019 English PDF (GB27999-2019)

GB 27999-2019 English PDF (GB27999-2019)

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GB 27999-2019: Fuel consumption evaluation methods and targets for passenger cars

This Standard specifies the evaluation methods and indicators of fuel consumption of vehicle type of passenger cars and corporate average fuel consumption as well as production consistency and implementation date. This Standard is applicable to all M1 class vehicles of which the maximum design total weight does not exceed 3500kg, including vehicles capable of burning gasoline or diesel fuel, pure electric vehicles, fuel cell vehicles, and vehicles using gaseous fuels and alcohol-ether fuels.
GB 27999-2019
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 43.020
T 40
Replacing GB 27999-2014
Fuel consumption evaluation methods and targets for
passenger cars
ISSUED ON: DECEMBER 31, 2019
IMPLEMENTED ON: JANUARY 01, 2021
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 Evaluation methods and indicators of fuel consumption of vehicle type ... 7 5 Calculation methods and evaluation indicators of corporate average fuel consumption ... 9
6 Production consistency ... 12
7 Implementation date ... 12
Fuel consumption evaluation methods and targets for
passenger cars
1 Scope
This Standard specifies the evaluation methods and indicators of fuel
consumption of vehicle type of passenger cars and corporate average fuel consumption as well as production consistency and implementation date.
This Standard is applicable to all M1 class vehicles of which the maximum design total weight does not exceed 3500kg, including vehicles capable of burning gasoline or diesel fuel, pure electric vehicles, fuel cell vehicles, and vehicles using gaseous fuels and alcohol-ether fuels.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 18386, Electric vehicles - Energy consumption and range - Test
procedures
GB/T 19233, Measurement methods of fuel consumption for light-duty
vehicles
GB/T 19596, Terminology of electric vehicles
GB/T 19753, Test Methods for Energy Consumption of Light-duty Hybrid
Electric Vehicles
GB/T 29125-2012, Test methods for fuel consumption of CNG vehicles
GB/T 32694, Plug-in hybrid electric passenger cars - Specifications
GB/T 37340, Conversion methods for energy consumption of electric
vehicles
QC/T 1130, Test method for methanol automobile fuel consumption
(WLTC) to determine the fuel consumption of vehicle type and the electricity consumption. For the externally-pluggable hybrid passenger cars of gasoline, the electric energy consumption shall be converted to gasoline fuel
consumption according to GB/T 37340. For the externally-chargeable hybrid passenger cars of diesel fuel, the electric energy consumption shall be converted to diesel fuel consumption according to GB/T 37340. In 2025 and before, the fuel consumption converted from electrical energy consumption shall be calculated as zero.1)
4.1.3 For pure electric passenger cars, the electrical energy consumption shall be calculated according to GB/T 18386, which shall be converted to
corresponding gasoline fuel consumption according to GB/T 37340. In 2025 and before, its fuel consumption is calculated as zero.1)
4.1.4 For fuel cell passenger cars, its fuel consumption is calculated as zero. 4.1.5 For CNG passenger cars, it shall, according to GB/T 29125, simulate the comprehensive cycle fuel consumption test on the chassis dynamometer to determine the gas fuel consumption, which shall be converted to the gasoline fuel consumption according to Annex D of GB/T 29125-2012.
4.1.6 For LNG, LPG passenger cars, it shall, according to GB/T 29125, simulate the comprehensive cycle fuel consumption test on the chassis dynamometer to determine the gas fuel consumption, which shall be converted to the gasoline fuel consumption according to Annex D of GB/T 29125-2012.
4.1.7 For methanol passenger cars, it shall, according to QC/T 1130, determine the methanol fuel consumption and equivalent gasoline or diesel fuel
consumption. For other alcohol-ether fuel passenger cars, it shall, according to QC/T 1130, determine the alcohol ether fuel consumption and the equivalent gasoline or diesel fuel consumption.
4.1.8 For vehicles that use one or more off-cycle technology/device, the fuel consumption of its type can be reduced by a certain amount accordingly.2) 4.2 Target of fuel consumption of vehicle type
4.2.1 For passenger cars with seats below three rows3 ), the target of fuel consumption of vehicle type shall be calculated according to formula (1) ~ formula (3). The calculation results shall be rounded off to two decimal places: If the vehicle's curb mass CM???1090, then:
1 The calculation method of electric energy consumption after 2025 shall be determined separately. 2 Specific options for off-cycle technology/device, testing and evaluation methods, fuel consumption reductions, and implementation dates shall be determined separately.
3 As long as a seat mounting point is available, it shall be regarded that a "seat" exists. before January 1, 2021 and have a driving range of more than 50km, when calculating the corporate average fuel consumption before January 1, 2023, it shall be in accordance with this article.
5.1.3 Except for vehicles described in 5.1.2, if the fuel consumption of vehicle type is not greater than 3.20L/100km, when calculating the fuel consumption of vehicle type according to formula (5), its production or import volume shall be multiplied by the following multiples:
a) In 2021, calculated at 1.4 times, that is, Wi = 1.4;
b) In 2022, calculated at 1.3 times, that is, Wi = 1.3;
c) In 2023, calculated as 1.2 times, that is, Wi = 1.2;
d) In 2024, calculated at 1.1 times, that is, Wi = 1.1;
e) In 2025 and after, calculated as 1.0 times, that is Wi = 1.0.
5.1.4 Except for vehicles specified in 5.1.2 and 5.1.3, when calculating the average fuel consumption of vehicle fleet according to formula (5), Wi=1.0. 5.2 Corporate average fuel consumption target (TCAFC)
As shown in formula (6), the corporate average fuel consumption target that a corporation shall achieve in a certain year is calculated, based on the target of fuel consumption of vehicle type specified in 4.2, by using the sum of the fuel consumption target of each type of this corporation multiplied by the
corresponding annual production or import volume, divided by the total annual production or total import volume of passenger cars of this corporation: Where,
TCAFC - Corporate average fuel consumption target, in liters per hundred kilometers (L/100km);
i - Sequence of passenger car type;
Ti - Fuel consumption target corresponding to the ith vehicle type, in liters per hundred kilometers (L/100km);

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