This paper presents measurements of carbon dioxide (CO2) emission and efficiency of stop/start technology on a diesel vehicle in urban traffic. Two four-wheel-drive diesel vehicles with on-board exhaust emission and vehicle activity measurement systems were tested in two urban driving circuits representative of downtown Madrid. The vehicles had similar turbocharged and intercooled diesel engines fulfilling the same Euro 4 emissions regulation; but one had an improved engine incorporating stop/start technology. CO2 emission reduction of more than 20% for the car equipped with the stop/start system was obtained. Regardless of the variability in driving style, the grade and type of streets, traffic congestion, and the engine operating temperature, the car equipped with the stop/start system has intrinsically a lower CO2 emission factor.

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https://academic.microsoft.com/#/detail/2018553794 under the license cc-by-nc-nd
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Published on 01/01/2011

Volume 2011, 2011
DOI: 10.1016/j.trd.2010.10.001
Licence: Other

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