A new modelling approach for road traffic emissions: VERSIT+ |
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| Institution: | 1. TNO Science and Technology, Business Unit Monitoring Systems, Environmental Studies and Testing, P.O. Box 155, 2600 AD, Delft, The Netherlands;2. CE, Oude Delft 180, 2611 HH, Delft, The Netherlands;1. MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing 100044, China;2. College of Science and Technology, Texas Southern University, Houston, TX 77004, USA;1. Laboratory of Applied Thermodynamics, Aristotle University of Thessaloniki, PO Box 458, GR 54124 Thessaloniki, Greece;2. Emisia SA, Antoni Tritsi 21, GR 57001 Thessaloniki, Greece;3. INFRAS, Binzstrasse 23, PO Box 8045, Zurich, Switzerland;4. Graz University of Technology, Rechbauerst. 12, 8010 Graz, Austria;5. TNO, STL Group, PO Box 49, 2600 AA Delft, The Netherlands;6. European Commission-JRC, Via Enrico Fermi 2749, I – 21027, Ispra (VA), Italy;1. Technische Universität München, Aricsstraße 21, Munich 80333, Germany;2. GEVAS software GmbH, Nymphenburger Straße 14, Munich 80335, Germany |
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| Abstract: | The objective of VERSIT+ LD is to predict traffic stream emissions for light-duty vehicles in any particular traffic situation. With respect to hot running emissions, VERSIT+ LD consists of a set of statistical models for detailed vehicle categories that have been constructed using multiple linear regression analysis. The aim is to find empirical relationships between mean emission factors, including confidence intervals, and a limited number of speed–time profile and vehicle related variables. VERSIT+ is a versatile model that has already been used in different projects at different geographical levels. Compared to COPERT IV, the VERSIT+ average speed algorithms provide increased accuracy with respect to the prediction of emissions in specific traffic situations. |
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