Exhaust Emission Capabilities of Showroom Cars 780081

This paper presents a statistical analysis of emission test results from over 200 light duty production vehicles ('72 to '77 models) which were purchased, maintained (in a very good state of tune), driven (on Appendix “IV” routes), and tested by the Canadian government. The results are presented as fractions of the applicable emission standard by manufacturer and by model year. Some limited data on urban fuel economy is also presented. The results would be useful in analyzing engine design policy and to assist in policy making for emission control programs for in-use vehicles.


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