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Commission Regulation (EU) 2017/2400Show full title

Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance)

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9.Assessment of conformity of the certified CO2 emissions and fuel consumption related properties

9.1The emission test results over the WHSC determined in accordance with point 7.4 of this Appendix shall meet the applicable limits values defined in Annex I to Regulation (EC) No 595/2009 for all gaseous pollutants except ammonia, otherwise the test shall be considered void for the assessment of conformity of the certified CO2 emissions and fuel consumption related properties.
9.2A single test of one engine tested in accordance with paragraph 4 of this Appendix shall be considered as nonconforming if the actual value in accordance with paragraph 7 of this Appendix is higher than the limit values defined in accordance with paragraph 8 of this Appendix.
9.3For the current sample size of engines tested within one CO2-family in accordance with paragraph 4 of this Appendix the test statistic quantifying the cumulative number of nonconforming tests in accordance with point 9.2 of this Appendix at the nth test shall be determined.
(a)

If the cumulative number of nonconforming tests at the nth test determined in accordance with point 9.3 of this Appendix is less than or equal to the pass decision number for the sample size given in Table 4 of Appendix 3 to UN/ECE Regulation 49 Rev.06, a pass decision is reached.

(b)

If the cumulative number of nonconforming tests at the nth test determined in accordance with point 9.3 of this Appendix is greater than or equal to the fail decision number for the sample size given in Table 4 of Appendix 3 to UN/ECE Regulation 49 Rev.06, a fail decision is reached.

(c)

Otherwise, an additional engine is tested in accordance with paragraph 4 of this Appendix and the calculation procedure in accordance with point 9.3 of this Appendix is applied to the sample increased by one more unit.

9.4If neither a pass nor a fail decision is reached, the manufacturer may at any time decide to stop testing. In that case a fail decision is recorded.

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