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Cold Ambient Temperature Effects on Emissions from Light-Duty Motor Vehicles
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English
Abstract
An emission testing program conducted at Ottawa, Canada, indicated that the start-up and operation of light-duty motors at an ambient temperature of 0°F produces approximately a 100% increase in hydrocarbon and carbon monoxide emissions when compared with those produced at an ambient temperature of 60°F. This increase appeared to occur mainly during the initial 5 min of engine operation.
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Authors
Citation
Polak, J., "Cold Ambient Temperature Effects on Emissions from Light-Duty Motor Vehicles," SAE Technical Paper 741051, 1974, https://doi.org/10.4271/741051.Also In
References
- “Effect of Cold Weather on Motor Vehicles.” Air Pollution Control Directorate, Environmental Protection Service, Department of the Environment Ottawa, Ontario June 1974
- “New Motor Vehicles and New Motor Vehicle Engines.” United States Environmental Protection Agency “Federal Register,” Nov. 15 1972
- “Vehicle Emissions.” Transport Canada “Motor Vehicle Safety Test Methods,” 1972