ANNEX
Annex I is amended as follows:
(1)point 2.3.8.1. is replaced by the following:
'2.3.8.1. In the case of WLTP road loads being determined in accordance with paragraphs 1-4 and 6 of Sub-Annex 4 to Annex XXI to Regulation (EU) 2017/1151
The NEDC road load coefficients for complete N1 vehicles shall be calculated in accordance with the formulae specified in point 2.3.8.1.1. (for vehicle H) and in point 2.3.8.1.2. (for vehicle L) and in accordance with the following points (a) and (b) .
Unless otherwise specified, the formulae shall apply both in the case of simulations and in the case of physical vehicle tests.
The type approval authority, or where applicable, the technical service shall verify if the wind-tunnel facility referred to in paragraph 3.2.3.2.2.3. in Sub-Annex 7 to Annex XXI to Regulation (EU) 2017/1151 is qualified to accurately determine the Δ(Cd×Af) values. If the wind-tunnel facility is not qualified, the highest aerodynamic drag value shall apply for all vehicles in the family.
(a)The WLTP road load coefficients and test mass values referred to in those formulae shall be those resulting from vehicle H and L as defined for the interpolation family pursuant to Regulation (EU) 2017/1151.
(b)Notwithstanding point (a), where the cycle energy demand of the WLTP vehicle H and/or L, as determined in accordance with paragraph 5 of Sub-Annex 7 to Annex XXI to Regulation (EU) 2017/1151, does not result in the highest, or respectively, the lowest cycle energy demand for the NEDC vehicle H and/or L, the NEDC road load coefficients shall be determined in accordance with either of the following:
(i) on the basis of the individual vehicle in the interpolation family with the highest, or respectively, the lowest NEDC cycle energy demand;
(ii)on the basis of the combination of the highest, or respectively, the lowest of each of the road load relevant characteristics, i.e. aerodynamic drag, rolling resistance and mass, taken from any individual vehicle in the interpolation family.
The choice of the procedure set out in points (i) or (ii) shall be made by the manufacturer.
Point (b) shall apply for new emission type approvals granted from 1 January 2019, or from an earlier date at the manufacturer’s request.';
(2)in point 2.3.8.1.1. the following is inserted as first paragraph:
‘Where this calculation procedure is used for an individual vehicle in accordance with point 4.2.1.4.2., the WLTP road loads and test mass corresponding to the NEDC individual vehicle shall be used with the influence of the optional equipment removed.’
(3)the final paragraph of point 2.3.8.1.1.(c) is replaced by the following:
‘Where the factor F*2w,H is the road load coefficient F2 determined for the WLTP test of vehicle H from which the effect of all optional equipment has been removed.’;
(4)the final paragraph of point 2.3.8.1.2.(c) is replaced by the following:
‘Where the factor F*2w,L is the road load coefficient F2 determined for the WLTP test of vehicle L from which the effect of all optional equipment has been removed.‘
(5)point 2.3.8.2.1.(b) is replaced by the following:
'(b)
NEDC road load coefficients where the NEDC tabulated values are not used
In the case of vehicles designed for a technically permissible maximum laden mass equal to or exceeding 3 000 kg, the NEDC road load coefficients may, at the request of the manufacturer, be determined in accordance with point 2.3.8.1.';
(6)point 2.3.8.2.2. is replaced by the following:
'2.3.8.2.2
Road load determination for incomplete N1 vehicles in accordance with point 2.2 of Annex XII to Regulation (EU) 2017/1151
In the case of an incomplete N1 vehicle where the road loads of the representative vehicle has been determined in accordance with paragraph 2.2 of Annex XII and paragraph 5.1 of Sub-Annex 4 to Annex XXI to Regulation (EU) 2017/1151, the NEDC road load to be used as input for the correlation tool simulations shall be determined as follows:
Where,
, ,
are the NEDC road load coefficients for the representative vehicle;
,
are the NEDC chassis dynamometer coefficients for the representative vehicle determined in accordance with Table 3 of Annex 4a to UN/ECE Regulation No 83;
AW,L/H, BW,L/H, CW,L/H
are the chassis dynamometer coefficients for the vehicle used for the preparation of the chassis dynamometer in accordance with points 7 and 8 of Sub-Annex 4 to Annex XXI to Regulation (EU) 2017/1151
In the case of a physical vehicle testing, the test shall be performed with the NEDC chassis dynamometer coefficients for vehicle R determined in accordance with Table 3 of Annex 4a to UN/ECE Regulation No 83.';
(7)the following point 2.3.8.3(a). is added:
‘2.3.8.3(a). Extensions of emission approvals granted pursuant to Regulation (EU) 2017/1151
Where an emission approval pursuant to Regulation (EU) 2017/1151 is extended due to the addition of new vehicles to the CO2 interpolation family with NEDC CO2 emissions higher than those of vehicle H or lower than those of vehicle L, the following shall apply for the purpose of the correlation:
(a) Where the difference between NEDC vehicle H and L of the interpolation family is equal to or higher than 5g CO2/km, the NEDC interpolation line determined for that family can be extended, provided that the NEDC CO2 emissions determined pursuant to point 3 on the basis of input data taken from the WLTP vehicle test referred to in point 3.1.1. of Annex I to Regulation (EU) 2017/1151, are equal to or below the CO2 emissions determined on the basis of the NEDC interpolation line;
(b) Where the difference between NEDC vehicle H and L is lower than 5g CO2/km the interpolation line may not be extended.
In the case (a), the reference CO2 emissions shall be determined without the selection referred to in points 3.1.1.2 and 3.2.6.
In the case (b), or in the case the reference CO2 emissions referred to in point (a) are higher than the interpolation line, the NEDC vehicle H and L shall be determined in accordance with points 2 and 3 of this Annex.
Point (a) shall apply with regard to new extensions to new types granted from 1 January 2019, or from an earlier date at the manufacturer’s request.’
(8)Table 1 of point 2.4 is amended as follows:
(a)
in entry 66 the text of the first column is replaced by the following:
'Interpolation family identification number'
(b)
the following entry 68 is added:
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‘68
|
Number of cylinders
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-
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Manufacturer declaration
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Number (To be provided at the latest from 1 January 2019)’
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(9)in point 3.1.1.1.(c) the point (i) is replaced by the following:
'(i)
the interpolation family identification number'
(10)in point 3.1.4 the first paragraph is replaced by the following:
'In the case of incomplete N1 vehicles, the simulated NEDC test of the representative vehicle (vehicle RMSV) shall be performed using the correlation tool and the relevant input data as recorded in the matrix referred to in point 2.4 related to the vehicle H or L with the cycle energy demand closest to that determined for the representative vehicle in accordance with point 4.2.1.5.'
(11) in point 3.3.1. the definition set out in the last paragraph is replaced by the following:
'CO2,AF,H
is the adjustment factor for vehicle H calculated by the ratio between the NEDC CO2 value determined in accordance with point 3.2 and the correlation tool simulated NEDC test results referred to in point 3.1.2. or where applicable, the physical measurement result.'
(12)in point 3.3.2. the definition set out in the last paragraph is replaced by the following:
'CO2,AF,L
is the adjustment factor for vehicle L calculated by the ratio between the NEDC CO2 value determined in accordance with point 3.2 and the correlation tool simulated NEDC test results referred to in point 3.1.3. or where applicable, the physical measurement result.'
(13)in point 3.3.3. the definition set out in the last paragraph is replaced by the following:
'CO2,AF,R
is the adjustment factor for vehicle RMSV calculated by the ratio between the NEDC CO2 value determined in accordance with point 3.2 and the correlation tool simulated NEDC test results referred to in point 3.1.3. or where applicable, the physical measurement result.'
(14)point 4.2.1.4 is replaced by the following:
‘4.2.1.4.
Calculation of the road load for an individual vehicle in a WLTP interpolation family
4.2.1.4.1. Road load coefficients derived from NEDC vehicle H and L
The road load coefficients F0,n, F1,n and F2,n for vehicles H and L determined in accordance with point 2.3.8. are referred to as F0n,H, F1n,H and F2n,H and F0n,L, F1n,L and F2n,L respectively.
The road load coefficients f0n,ind, f1n,ind and f2n,ind for an individual vehicle shall be calculated in accordance with the following formula:
For new emission type approvals granted from 1 January 2019, or prior to that date, on the manufacturer’s request, the road load coefficients shall be calculated in accordance with the following formula:
4.2.1.4.2.
Road load coefficients derived from WLTP road load coefficients of individual vehicles
From 1 January 2019 for new type approvals, and from 1 January 2020 for all new vehicles entering into service, or prior to that date at the request of the manufacturer, the NEDC road loads for an individual vehicle shall be derived from the WLTP road load coefficients of that vehicle in any of the following cases:
(a)if the CO2 emission value, the cycle energy demand, or any of the road load coefficients f0, f1 or f2 calculated in accordance with point 4.2.1.4.1., is to be extrapolated from NEDC vehicle H or L;
(b)if the road load coefficients for NEDC vehicle H and L are derived from different road load families;
(c)if the individual vehicle belongs to a road load family that is different from the road load family of NEDC vehicle H and/or L;
(d)if the individual vehicle belongs to a road load matrix family.
The NEDC road load coefficients shall, in the cases (a) to (d), be calculated using the formulae set out in point 2.3.8.1.1., where references to vehicle H shall be considered as references to the individual vehicle.
In the case (a), CO2 extrapolation may only be performed, if the difference between NEDC vehicle H and L is equal to or higher than 5g CO2/km. The interpolation line may in that case be extrapolated by a maximum of 3g CO2/km above the CO2 emissions of vehicle H, or below those of vehicle L. If the extrapolation exceeds 3g CO2/km, or the difference between NEDC vehicle H and L is lower than 5g CO2/km, the manufacturer shall determine a new interpolation line for that family in accordance with points 2 and 3 of this Annex.’
(15)point 4.2.1.6. is deleted.
