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Analysis of Nitrous Oxide Emission From Gasoline Vehicles and Study of Measurement Accuracy
Technical Paper
2010-08-0494
Sector:
Language:
Japanese
Abstract
Nitrous oxide (N2O) emission from gasoline vehicles and the accuracy of N2O emission measurement systems were investigated. As a result, N2O emission from recent low emission vehicles is extremely low level. Controls of catalyst temperature and air-fuel ratio are important to reduce N2O generation. When NOx emission decreases, N2O emission is reduced, correspondingly. In N2O measurement systems, a high sensitivity analyzer and N2O reduction in dilution air are important for improvement of measurement accuracy for CVS-Bag method.