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Emission Control for Gasoline-Powered Heavy-Duty Vehicles
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English
Abstract
Development of emission control systems for a complete line of heavy-truck gasoline engines is presented in this paper. Experience gained in emission control programs for engines used in light-duty vehicles proved beneficial in establishing basic guidelines for heavy-truck program.
Various engine modifications, primarily concerned with induction systems and combustion chambers, provided sufficient emission reduction to meet 1969 California and 1970 Federal standards. Secondary air injection into exhaust was not required. Durability tests required for certification indicated the necessity of adhering to recommended service procedures to maintain low emission levels.
Authors
Citation
Griffith, F., "Emission Control for Gasoline-Powered Heavy-Duty Vehicles," SAE Technical Paper 690763, 1969, https://doi.org/10.4271/690763.Also In
References
- State of California, Department of Public Health “Technical Report of California Standards for Ambient Air Quality and Motor Vehicle Exhaust,” September 1960
- Department of Health, Education and Welfare “Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines.” March 30 1966
- Department of Health, Education and Welfare “California State Standards; Waiver of Application of Section 208, Clean Air Act.” Federal Register 33 137 July 16 1968
- Department of Health, Education and Welfare “Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines.” Federal Register 33 108 June 4 1968
- Daniel W. A. Wentworth J. T. “Exhaust Gas Hydrocarbons -- Genesis and Exodus.” 6 203 New York Society of Automotive Engineers 1964
- Scheffler C. E. “Combustion Chamber Surface Area, A Key to Exhaust Hydrocarbons.” SAE Transactions 75 1967 660111
- Beckman E. W. Fagely W. S. Sarto J. O. “Exhaust Emission Control by Chrysler -- The Cleaner Air Package.”