Annex Methodology for determining the reduction in CO2 emissions due to the use of the Valeo Efficient Generation Alternator in an M1 vehicle

United Kingdom

1. 1Introduction
2. 2Testing procedure
3. 3Test bench
4. 4Measuring the torque and calculating the efficiency of the alternator
5. 5Standard deviation of the arithmetic mean value of the efficiency of the alternator
6. 6Error in the CO2 savings due to the standard deviation (propagation law)
7. 7Calculation of the accountable share of the mechanical power saving
8. 8Formula to calculate the CO2 savings
9. 9Statistical Significance
10. 10The high efficient alternator to be implemented in vehicles
11. 11Eco-innovation code to be entered into type approval documentation