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Factors Affecting Vehicle Fuel Economy
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English
Abstract
The recent history of automotive fuel economy in the United States is reviewed. As of the 1973 model year, the individual typical car on Ford's city-suburban route has experienced a 22% decline in fuel economy compared with that of 1967. In the aggregate, however, the decline has not been as great because an increasing proportion of small cars has entered the vehicle population.
The factors which have contributed to the fuel economy decline of the typical car are average weight and engine displacement increases and measures taken to reduce exhaust emissions. As of the 1973 model year, emission controls have accounted for 60% of the total 22% decline based on Ford's city-suburban route.
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Authors
Citation
LaPointe, C., "Factors Affecting Vehicle Fuel Economy," SAE Technical Paper 730791, 1973, https://doi.org/10.4271/730791.Also In
References
- Hirst E. Herendeen R. “Total Energy Demand for Automobiles,” Paper 730065 SAE International Automotive Engineering Congress Detroit January 1973
- Winger J. G. et al. “Outlook for Energy in the United States to 1985,” Energy Economics Division The Chase Manhattan Bank June 1972
- Hirst E. “Energy Intensiveness of Passenger and Freight Transport Modes: 1950-1970,” Report ORNL-NSF-EP-44 Oak Ridge National Laboratory April 1973
- McKie J. W. Advisor to NAS Committee on Emergency Preparedness and Energy Consultant to Ford Motor Co.
- Kruse R. E. Huls T. A. “Development of the Federal Urban Driving Schedule,” Paper 730553 SAE Automobile Engineering Meeting Detroit May 1973
- Scheffler C. E. Niepoth G. W. “Customer Fuel Economy Estimated from Engineering Tests,” SAE Transactions 74 1965 paper 650861