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Impact of Driving Cycles on Greenhouse Gas (GHG) Emissions, Global Warming Potential (GWP) and Fuel Economy for SI Car Real World Driving

Li, H, Andrews, GE, Savvidis, D, Daham, BK, Ropkins, K, Bell, MC and Tate, JE (2009) Impact of Driving Cycles on Greenhouse Gas (GHG) Emissions, Global Warming Potential (GWP) and Fuel Economy for SI Car Real World Driving. International Journal of Fuels and Lubricants, 1 ((1)). 1320 - 1333 . ISSN 0148-7191

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Abstract

The transport sector is one of the major contributors to greenhouse gas emissions. This study investigated three greenhouse gases emitted from road transport: CO2, N2O and CH4 emissions as a function of engine warm up and driving cycles. Five different urban driving cycles were developed and used including free flow driving and congested driving. An in-vehicle FTIR (Fourier Transform Inferred) emission measurement system was installed on a EURO2 emission compliant SI (Spark Ignition) car for emissions measurement at a rate of 0.5 HZ under real world urban driving conditions. This emission measurement system was calibrated on a standard CVS (Constant Volume Sampling) measurement system and showed excellent agreement on CO2 measurement with CVS results. The N2O and CH4 measurement was calibrated using calibration gas in lab. A MAX710 real time in-vehicle fuel consumption measurement system was installed in the test vehicle and real time fuel consumption was then obtained. The temperatures across the TWC (Three Way Catalyst) and engine out exhaust gas lambda were measured. The GHG (greenhouse gas) mass emissions and consequent GWP (Global Warming Potential) for different urban diving conditions were analyzed and presented. The results provided a better understanding of traffic related greenhouse gas emission profile in urban area and will contribute to the control of climate change.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright (c) 2008 SAE International. This paper is included on this site with permission from SAE International. Further use or distribution of this paper is not permitted without permission from SAE.
Keywords: GHG emissions, Global warming potential, fuel economy, real world driving
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Process, Environmental and Materials Engineering (Leeds) > Energy and Resources Research Institute (Leeds)
Depositing User: Symplectic Publications
Date Deposited: 03 Mar 2011 12:29
Last Modified: 15 Sep 2014 01:24
Published Version: http://saefuel.saejournals.org/content/1/1/1320.ab...
Status: Published
Publisher: SAE International
URI: http://eprints.whiterose.ac.uk/id/eprint/42889

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