The latest technical state of the on-board exhaust emissions measurement system is described. The capability of the system of measuring the low emissions down-stream a catalyst under real-time conditions is pointed out.With a number of vehicles the efficiency of closed-loop catalysts was investigated. The test results show that also under real traffic conditions the mass emission levels of the regulated exhaust gas components are very well below the standards.
Catalyst Efficiency Under Real Road Conditions
Sae Technical Papers
SAE International Congress and Exposition ; 1989
1989-02-01
Conference paper
English
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