Title: Technical report - Task 7 : Europe-centric Light Duty Test Cycle and Differences with Respect to the WLTP Cycle
Authors: MAROTTA AlessandroTUTUIANU MONICA
Editors: MARTINI Giorgio
Publisher: Publications Office of the European Union
Publication Year: 2012
JRC Publication N°: JRC70757
ISBN: 978-92-79-25012-5
ISSN: 1831-9424
Other Identifiers: EUR 25345 EN
OPOCE LD-NA-25345-EN-N
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC70757
DOI: 10.2790/53651
Type: EUR - Scientific and Technical Research Reports
Abstract: The Worldwide harmonized Light duty Test Cycle (WLTC) has been designed on the basis of the in-use driving databases provided by Europe, India, Japan, Korea and USA. These databases have been merged by applying a weighing factor to each of them, obtaining the “Unified” database. In order to verify the representativeness of the Unified database and the resulting WLTC with respect to the European driving behavior, a comparison between the Unified and the European database has been carried out, which has shown a high level of resemblance for the most important parameters (i.e. speed distribution, acceleration distribution, speed* acceleration, etc.). The drivability tests carried out over the WLTC in several laboratories have shown levels of CO2 emissions similar to those obtained with NEDC. Possible explanations of such results are presented.
JRC Institute:Institute for Energy and Transport

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