160000 km emissions durability of a diesel passenger car with participate filter

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160000 km emissions durability of a diesel passenger car with participate filter

Bosteels, Dirk / May, John / Karlsson, Hua Lu / Serves, Claes de

Emissions from a current-production diesel passenger car with particulate filter were measured after de-greening at 4000km. The vehicle was then subjected to onroad mixed-operation driving to 160000 km and retested. At both mileages the vehicle was tested over the standard European driving cycle (NEDC) and over the more transient hot-start Artemis urban, extra-urban and highway cycles which were developed as part of a European programme and which were designed to be representative of typical transient driving patterns. Interim measurements of regulated emissions over the NEDC were made at 40000, 80000 and 120000 km. At 4000 and 160000 km, in addition to regulated emissions, the new Particulate Measurement Protocol (PMP) developed under the UN's World Forum for Harmonization of Vehicle Regulations was used for measurement of particulate mass and particle numbers. The results demonstrate that the new protocols offer repeatable mass measurement and a number methodology capable of measuring the very low particle emissions from vehicles with particulate filters. Particle and regulated emission results remained stable throughout the test period, demonstrating the effectiveness of the system over the increased distance of 160000 km which has since been proposed for the Euro 5 European durability requirement.