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Fleet Average NOx Emission Performance of 2006 Model Year Light-Duty Vehicles, Light-Duty Trucks and Medium-Duty Passenger Vehicles
- 1. Purpose
- 2. Introduction
- 3. Summary of Key Regulatory Elements for Fleet Average NOx Emissions
- 4. Summary of Company Fleet Average NOx Emission Performance for the 2006 Model Year
- 5. NOx Emission Performance of the Canadian Fleet for the 2006 Model Year
- 6. Trends in NOx Emission Performance of the Canadian Fleet
- 7. Conclusions
- List of Tables
On January 1, 2004, the On-Road Vehicle and Engine Emission Regulations (hereafter referred to as the "Regulations") came into effect under the Canadian Environmental Protection Act, 1999 (CEPA 1999). These Regulations introduced more stringent national emission standards for on-road vehicles and engines. The Regulations align Canada's emission standards for light-duty vehicles, light-duty trucks, medium-duty passenger vehicles, heavy-duty vehicles, heavy-duty engines and motorcycles with those of the U.S. Environmental Protection Agency (EPA).
The Regulations require that new light-duty vehicles (LDV),1 light light-duty trucks (LLDT),2 heavy light-duty trucks (HLDT)3 and medium-duty passenger vehicles (MDPV),4 manufactured or imported for sale in Canada, conform to the emission standards associated with one of eleven available "bins" generally known as "Tier 2" bins (1 to 11). Each bin is defined by a specific set of maximum limits for exhaust emissions of oxides of nitrogen (NOx), non-methane organic gases (NMOG), carbon monoxide (CO), formaldehyde (HCHO) and particulate matter (PM), when measured in accordance with the applicable test procedures. A company's choice of bin to which individual vehicle models are certified in a given model year is limited by the obligation to comply with the fleet average NOx standards associated with that model year. The emission bins, fleet average NOx standards, timing of phase-ins and methods of calculating fleet average NOx values are aligned with the U.S. Tier 2 emission program. There are differences, however, in the structure of the NOx averaging program in Canada, which is designed to recognize vehicles that are sold concurrently in Canada and the U.S. The regulatory requirements are structured to deliver fleet average emissions comparable to those of the U.S., while minimizing the regulatory burden on companies and enabling the marketing of vehicles in Canada independently from the U.S.
The Regulations require that companies submit a report to the Minister of the Environment at the end of each model year containing specific information on the company's fleets and fleet average NOx emission performance for the model year.
- Note 1: Light-duty vehicles generally consist of passenger cars.
- Note 2: Light light-duty trucks generally consist of vans, sport utility vehicles and pick-up trucks having a gross vehicle weight rating (GVWR) of 2 722 kg (6 000 pounds) or less.
- Note 3: Heavy light-duty trucks generally comprise vans, sport utility vehicles and pick-up trucks having a GVWR of more than 2 722 kg (6 000 pounds) and up to 3 856 kg (8 500 pounds).
- Note 4: Medium-duty passenger vehicles generally consist of heavier passenger-type vehicles, such as vans and sport utility vehicles having a GVWR greater than 3 856 kg (8 500 pounds) and less than 4 536 kg (10 000 pounds).
- Date Modified: