# Commission Implementing Decision (EU) 2020/174 of 6 February 2020 on the approval of the technology used in 12 Volt efficient alternators for use in certain passenger cars and light commercial vehicles as an innovative technology pursuant to Regulation (EU) 2019/631 of the European Parliament and of the Council (Text with EEA relevance), Division 6: CALCULATION OF THE CO2 SAVINGS

Extent: E+W+S+N.I.

The CO2 savings of the efficient alternator are to be calculated with Formula 6.
Where:
v Mean driving speed of the WLTC [km/h], which is 46,60 km/h
VPe Consumption of effective power specified in the following Table 2:
Table 2
Consumption of effective power
Type of engine
Consumption of effective power (VPe)[l/kWh]
Petrol
0,264
Petrol Turbo
0,280
Diesel
0,220
CF: Factor specified in the following Table 3:
Table 3
Fuel conversion factor
Type of fuel
Conversion factor (l/100 km) - (g CO2/km) (CF)[gCO2/l]
Petrol
2 330
Diesel
2 640

---
Source: https://www.legislation.gov.uk/eudn/2020/174/annex/division/6 (the official version)
Page: https://openlegislation.uk/eu-decision-2020-174/annex/division-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.