2004-06-08
Retrofitting Urban Buses to Reduce PM and NO2 2004-01-1939
In an attempt to improve ambient air quality, retrofit programmes have been encouraged; targeting reductions in PM emissions by means of diesel particulate filters (DPFs). However depending on the DPF design and operating conditions increased nitrogen dioxide (NO2) emissions have been observed, which is causing concern. Previous work showed that retrofitting a DPF system employing a fuel borne catalyst (FBC) to facilitate regeneration, reduced NO2 emissions. This paper outlines the investigation of a base metal coated DPF to enhance the reduction of NO2. Such a DPF system has been fitted to older technology buses and has demonstrated reliable field performance.
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JOURNAL ARTICLE
Malfunctions in Selected Emissions-Related Components of Euro 4 Passenger Cars: Emissions Increase and OBD System Response
2009-01-0731
BOOK
Diesel Emissions and Their Control
JOURNAL ARTICLE
Review of Nitrous Oxide (N2O) Emissions from Motor Vehicles
04-13-01-0005
