
Article 1 
The efficient generator function used in a 12 volt motor-generator, as referred to in Implementing Decision (EU) 2017/785, is approved as an innovative technology within the meaning of Article 11 of Regulation (EU) 2019/631, taking into account that it is only partially covered by the standard test procedure set out in Regulation (EC) No 692/2008, and provided that the following conditions are met:

((a)) the innovative technology is fitted in light commercial vehicles (N1) powered by internal combustion engines running on petrol, diesel, liquefied petroleum gas (LPG), compressed natural gas (CNG) or E-85, or in not-off-vehicle charging hybrid electric vehicles (NOVC-HEVs) of the category M1 or N1 that comply with point (3) of paragraph 5.3.2 of Annex 8 to Regulation No 101 of the Economic Commission for Europe of the United Nations;
((b)) the efficiency of the generator function, determined in accordance with the methodology set out in the Annex, is at least:

((i)) 73,8 % for petrol- or E85-fuelled vehicles, other than turbo-charged;
((ii)) 73,4 % for turbo-charged petrol- or E85–fuelled vehicles;
((iii)) 74,2 % for diesel-fuelled vehicles;
((iv)) 74,6 % for LPG-fuelled vehicles other than turbo-charged;
((v)) 74,1 % for turbo-charged LPG-fuelled vehicles;
((vi)) 76,3 % for CNG-fuelled vehicles other than turbo-charged;
((vii)) 75,7 % for turbo-charged CNG-fuelled vehicles.
Article 2 
The baseline technology shall be an alternator with a mass of maximum 7 kg and an efficiency of 67 %.
Article 3 

1. A manufacturer may apply to the Secretary of State  for certification of the CO2 savings from the use of the technology approved in accordance with Article 1 (‘the innovative technology’) in one or several 12 volt motor-generators by reference to this Decision.
2. The manufacturer shall ensure that the application for the certification is accompanied by a verification report from an independent and certified body confirming that the conditions set out in Article 1 have been met.
3. Where savings have been certified in accordance with Article 3, the manufacturer shall ensure that the certified CO2 savings and the eco-innovation code referred to in Article 5(1) are recorded in the certificate of conformity of the vehicles concerned.
Article 4 

1. The  Secretary of State  shall ensure that CO2 savings achieved from the use of the innovative technology have been determined using the methodology set out in the Annex.
2. Where a manufacturer applies for the certification of the CO2 savings from the use of the innovative technology in more than one 12 volt motor-generator in relation to one vehicle version, the  Secretary of State  shall determine which of the 12 volt motor-generators tested delivers the lowest CO2 savings. That value shall be used for the purpose of paragraph 4.
3. Where the innovative technology is fitted in a bi-fuel or flex-fuel vehicle, the  Secretary of State  shall record the CO2 savings as follows:
(a) for bi-fuel vehicles using petrol and gaseous fuels, the CO2 savings value with regard to LPG or CNG fuels;
(b) for flex-fuel vehicles using petrol and E85, the CO2 savings value with regard to petrol.
4. The  Secretary of State  shall record the certified CO2 savings determined in accordance with paragraph 1 and 2, and the eco-innovation code referred to in Article 5(1) in the relevant type-approval documentation.
5. The  Secretary of State  shall record all the elements considered for the certification in a test report and keep that together with the verification report referred to in Article 3(2) ....
6. The  Secretary of State  shall only certify CO2 savings, if  the Secretary of State  finds that the innovative technology complies with the conditions set out in Article 1, and if the CO2 savings achieved are 1 g CO2/km or higher, as specified in Article 9(1)(a) of Implementing Regulation (EU) No 725/2011 in the case of passenger cars, or as specified in Article 9(1)(a) of Implementing Regulation (EU) No 427/2014 in the case of light commercial vehicles.
Article 5 

1. The innovative technology approved by this Decision is attributed with the eco-innovation code 30.
2. The certified CO2 savings recorded by reference to that eco-innovation code may only be taken into account for the calculation of the average specific emissions of manufacturers for the calendar year 2020.
Article 6 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Done at Brussels, 29 May 2020.
For the Commission
The President
Ursula VON DER LEYEN
ANNEX
1. 
In order to determine the CO2 emission savings that can be attributed to the efficient generator function of a 12 volt motor-generator, hereinafter ‘the innovative technology’, for use in certain passenger cars (M1) and light commercial vehicles (N1) meeting the conditions set out in Article 1, it is necessary to establish the following:


((1)) the testing conditions;
((2)) the test equipment;
((3)) the determination of the peak power output;
((4)) the calculation of the CO2 savings;
((5)) the calculation of the statistical margin of the CO2 savings.

2. 

 — CO2 savings [g CO2/km]
CO2 — Carbon dioxide
CF — Conversion factor as defined in Table 3
H — Frequency as defined in Table 1
I — Current intensity at which the measurement shall be carried out [A]
M — Number of measurements of the sample
M — Torque [Nm]
N — Rotational frequency [min-1] as defined in Table 1
P — Power [W]
 — Standard deviation of the efficiency of the generator function of the 12 V motor-generator (hereinafter ‘the motor-generator efficiency’) [%]
 — Standard deviation of the motor-generator efficiency mean [%]
 — Standard deviation of the total CO2 savings [g CO2/km]
U — Test voltage at which the measurement shall be carried out [V]
v — Mean driving speed of the New European Driving Cycle (NEDC) [km/h]
Vpe — Consumption of effective power as defined in Table 2
 — Sensitivity of calculated CO2 savings related to the motor-generator efficiency
Δ — Difference
 — Baseline alternator efficiency [%]
 — Motor-generator efficiency [%]
 — Mean of the motor-generator efficiency at operating point i [%]

Index (i) refers to operating point

Index (j) refers to measurement of the sample


MG — Motor-generator
M — Mechanical
RW — Real-world conditions
TA — Type approval conditions
B — Baseline

3. 
The motor-generator efficiency shall be determined in accordance with ISO 8854:2012, with the exception of the elements specified in this point.

Evidence shall be provided to the  Secretary of State  that the speed ranges of the 12 volt motor-generator are consistent with those set out in Table 1. The measurements shall be conducted at different operating points, as set out in Table 1. The current intensity of the motor-generator shall be defined as half of the rated current for all operating points. For each speed the voltage and the output current of the motor-generator shall be kept constant at 14,3 volt.


Operating pointi Holding time[s] Rotational frequency Frequencyhi
1 1 200 1 800 0,25
2 1 200 3 000 0,40
3 600 6 000 0,25
4 300 10 000 0,10

The efficiency at each operating point shall be calculated in accordance with the following Formula 1.



All efficiency measurements are to be performed consecutively at least five (5) times. The average of the measurements at each operation point () shall be calculated.

The motor-generator efficiency () shall be calculated in accordance with the following Formula 2.



The motor-generator leads to saved mechanical power under real-world conditions () and under type-approval conditions (). The difference between these two values () is calculated as set out in Formula 3.



Where  shall be calculated in accordance with Formula 4 and  . in accordance with Formula 5.





Where

PRWPower requirement under ‘real-world’ conditions [W], which is 750 WPTAPower requirement under type-approval conditions [W], which is 350 WEfficiency of the baseline alternator [%], which is 67 %

4. 
The CO2 savings of the generator function in a 12 volt motor-generator shall be calculated in accordance with Formula 6.



Where,

vMean driving speed of the NEDC (km/h), which is 33,58 km/hVPeConsumption of effective power specified in Table 2CFConversion factor as defined in Table 3


Type of engine Consumption of effective power (Vpe)[1/kWh]
Petrol/E85 0,264
Petrol/E85 Turbo 0,280
Diesel 0,220
LPG 0,342
LPG Turbo 0,363
 Consumption of effective power (Vpe)[m3/kWh]
CNG (G20) 0,259
CNG (G20) Turbo 0,275


Type of fuel Conversion factor (CF) [g CO2/l]
Petrol/E85 2 330
Diesel 2 640
LPG 1 629
 Conversion factor (CF) [g CO2/m3]
CNG (G20) 1 795

5. 
The statistical errors in the results of the testing methodology caused by the measurements shall be quantified. For each operating point the standard deviation shall be calculated in accordance with Formula 7.



The standard deviation of the value of the 12 volt motor-generator efficiency () shall be calculated in accordance with Formula 8.



The standard deviation of the motor-generator efficiency () leads to an error in the CO2 savings (). That error is calculated in accordance with Formula 9.



6. 
It has to be demonstrated for each type, variant and version of a vehicle fitted with the innovative technology that the error in CO2 savings calculated in accordance with Formula 9 is not greater than the difference between the total CO2 savings and the minimum savings threshold specified in Article 9(1)(a) of Implementing Regulations (EU) No 725/2011 and (EU) No 427/2014 (see Formula 10).



Where,

MTminimum threshold [g CO2/km]total CO2 saving [g CO2/km]standard deviation of the total CO2 saving [g CO2/km]CO2 correction coefficient due to the positive mass difference (Δm) between the motor-generator and the baseline alternator, calculated in accordance with Table 4


Type of fuel CO2 correction coefficient ()
Petrol/E85 
Diesel 
LPG 
CNG 

In this Table, Δm is the extra mass due to the installation of the efficient 12 volt motor-generator. The extra mass is the positive difference between the mass of the efficient 12 volt motor-generator and the mass of the baseline alternator. The mass of the baseline alternator is 7 kg. The extra mass is to be verified and confirmed in the verification report to be submitted to the  Secretary of State  together with the application for certification.

7. 
The  Secretary of State  is to certify the CO2 savings based on the measurements of the 12 volt motor-generator and the baseline alternator using the testing methodology set out in this Annex. Where the CO2 emission savings are below the threshold specified in Article 9(1)(a) of Implementing Regulations (EU) No 725/2011 or (EU) No 427/2014, the second subparagraph of Article 11(2) of those Regulations shall apply.
