1. Purpose

The purpose of this report is to:

1. summarize the regulatory requirements related to NO_xfleet averaging for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles under the On-Road Vehicle and Engine Emission Regulations;
2. summarize the fleet average NO_x emission performance of individual companies and the overall Canadian fleet for the 2005 model year based on data submitted by companies in their end of model year reports; and,
3. evaluate the effectiveness of the Canadian fleet average NO_x emission program in achieving the environmental performance objectives.