Rolling resistance reduction (RRR) in kg/t RRR 2.0 ≥ 1.5 RRR < 2.0 ≤ 1.0 RRR < 1.5 ≤ 0.5 RRR < 1.0 ≤ 0.0 RRR < 0.5 ≤ -1.0 RRR< 0.0 ≤ RRR < -1.0 4. Lifespan 4 Lifespan (LS) classes Lifespan (LS) in years LS 18 ≥ 15 LS < 18 ≤ 12 LS < 15 ≤ 10 LS < 12 ≤ 8 LS < 10 ≤ 4 LS < 8 ≤ LS < 4 Annex II Determination of noise reduction (a) The noise reduction should be determined at 80 km/h for light motor vehicles, in accordance to the procedures for a single road surface detailed in this Annex. Other methods may be used if they provide the same results, within the accuracy of the original method.
Rolling resistance reduction (RRR) in kg/t RRR ≥ 2.0 1.5 ≤ RRR < 2.0 1.0 ≤ RRR < 1.5 0.5 ≤ RRR < 1.0 0.0 ≤ RRR < 0.5 -1.0 ≤ RRR< 0.0 RRR < -1.0 4. Lifespan 4 Lifespan (LS) classes Lifespan (LS) in years LS ≥ 18 15 ≤ LS < 18 12 ≤ LS < 15 10 ≤ LS < 12 8 ≤ LS < 10 4 ≤ LS < 8 LS < 4 Annex II Determination of noise reduction (a) The noise reduction should be determined at 80 km/h for light motor vehicles, in accordance to the procedures for a single road surface detailed in this Annex. Other methods may be used if they provide the same results, within the accuracy of the original method.
ECE-TRANS-WP.29-GRB-2018-08e.docx