Conference Day 2

08:30 AM - 09:20 AM Registration & Welcome Coffee

Wolfgang Thiel

International Conference REAL DRIVING EMISSIONS


09:30 AM - 10:00 AM Latest results of RDE testing activities by the Swedish Transport Agency

Per Öhlund, Road and Rail Department, The Swedish Transport Agency, Sweden
  • Overview of testing activities: vehicles, test cycle design, measurement equipment
  • PEMS data interpretation and its results
  • Main observations and recommendations for legislation and further testings

Per Öhlund

Road and Rail Department
The Swedish Transport Agency, Sweden

10:00 AM - 10:30 AM Experiences with independent RDE testing

Norbert Ligterink, Research Scientist, TNO, The Netherlands
  • Results from RDE testing: variations and uncertainties
  • 715/2007/EC: “in normal use”
  • Comparison of real-world driving emissions for air quality and real-world driving emissions vehicle legislation?

Norbert Ligterink

Research Scientist
TNO, The Netherlands

10:30 AM - 11:00 AM Correction of transient emission signal dynamics for in-lab and RDE measurements

Savas Geivanidis, Senior Researcher, Laboratory of Applied Thermodynamics Dept. of Mechanical Engineering, Aristotle University, Greece
  • Problem setting, distortions of the transient content of emission measurement signals, effect on emission calculations
  • Modelling of a measurement setup as a dynamic system
  • Model calibration and emission signal reconstruction
  • Application examples

Savas Geivanidis

Senior Researcher
Laboratory of Applied Thermodynamics Dept. of Mechanical Engineering, Aristotle University, Greece

11:00 AM - 11:30 AM Coffee Break and Networking

11:30 AM - 12:00 PM Retro-fitting of SCR and DPF on 300 urban buses in Copenhagen: practical and environmental effect

Christian Lange Fogh, Chief Advisor, Ministry of the Environment, Denmark
  • Results from pilot study testing and main project
  • Relation to Danish air quality plan for NO2
  • Remarks on Danish air quality policies and RDE legislation

Christian Lange Fogh

Chief Advisor
Ministry of the Environment, Denmark

12:00 PM - 12:30 PM Emission investigation from Euro5 HGV under real-world conditions

Hu Li, Associate Professor, Faculty of Engineering, University of Leeds, United Kingdom
  • 44 tonne tractor-trailor truck equipped with SCR and oxidation catalyst
  • In-service real world driving cycle with urban, suburban and motorway section
  • PEMS measurement of fuel consumption and emissions
  • Efficiency assessment of SCR in real-world driving

Hu Li

Associate Professor
Faculty of Engineering, University of Leeds, United Kingdom

12:30 PM - 1:00 PM Selected experiences in RDE in Polish reality for different combustion engine applications

Jerzy Merkisz, Director, Poznań University of Technology, Poland
  • The problem of calculation of conformity factors for combustion engines having their exhaust emission limits in g/kWh
  • Exhaust emissions in real operating conditions for rail vehicles, non-road mobile machinery and aircraft
  • Application of test results and conclusion

Jerzy Merkisz

Poznań University of Technology, Poland

1:00 PM - 2:30 PM Lunch Break

2:30 PM - 3:00 PM Real-world exhaust emissions and regulatory compliance

Peter Mock, Managing Director ICCT Europe, The ICCT, Germany
  • Overview of latest vehicle emission research by ICCT
  • Data sources and analysis methods
  • Key findings and conclusions in regard of future regulations

Peter Mock

Managing Director ICCT Europe
The ICCT, Germany
  • Sources of uncertainties: Full scale dilution systems, partial dilution systems, raw exhaust measurements
  • Time alignment of concentration signals in PEMS
  • Effect of pressure signal filter on time alignment of flow rate signal

Suresh S Iyer

Senior Research Associate, Bus Research and Testing
The Pennsylvania State University, United States
  • Introduction of different (novel) sensor principles
  • Problems concerning the sensor application in the exhaust (high and variable throughput, harsh environment)
  • Possible setup for a sensor based PEMS

Gunther Hagen

Department of Functional Materials
University of Bayreuth, Germany

Ralf Moos

University of Bayreuth, Germany


4:00 PM - 4:30 PM RDE testing results in the light of the upcoming legislation

  • Key findings and implications for future testing
  • Effects on the market for various engine types
  • Quality and practical applicability of legislation
  • Potentials and limits of current PEMS technology
  • Outlook to 2017

4:30 PM - 4:45 PM Day End Statement by Chairman

4:45 PM - 11:59 PM End of Conference Day 2