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14 Jan 2015
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Comparison of Heavy Duty Hybrid Test Procedures Drafted in GTR No. 4 (USA and US EPA)
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GRPE-70-15
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2015-01-14 |
Status of US EPA program to validate the HILS methodology and resolve error codes. USA US EPA |
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4 Jun 2010
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Comments on the Terms of Reference (US EPA and USA)
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HDH-02-06
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2010-06-04 |
US EPA USA |
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29 Oct 2010
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Regulation of emissions from commercial hybrid vehicles (USA and Cummins)
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HDH-03-09
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2010-10-29 |
USA Cummins |
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25 Jun 2024
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USA: Status Report on Implementation of UN GTR (USA)
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WP.29-193-05
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2024-06-25 |
USA |
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22 Dec 2009
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United States of America statement and proposal concerning soak period and cold start weighting options in gtr No. 4 (USA)
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WP.29/2010/49
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2009-12-22 |
USA |