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Comparison of Heavy Duty Hybrid Test Procedures Drafted in GTR No. 4 (USA and US EPA) |
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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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Comments on the Terms of Reference (US EPA and USA) |
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2010-06-04 | US EPA USA |
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Regulation of emissions from commercial hybrid vehicles (USA and Cummins) |
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2010-10-29 | USA Cummins |