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Estimated speed/fuel consumption relationships for a large sample of cars

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  • Greene, David L.

Abstract

Speed-fuel consumption relationships were estimated using data on 350 1965–77 model year automobiles collected by Consumer Reports magazine. Three functional forms relating fuel consumption to speed were estimated and a summary with descriptive statistics was also computed. The results show considerable sensitivity of fuel-consumption rates to speed. Average decreases in fuel economy for all cars in the sample were 8% from 64 to 80 km/hr, 12% from 80 to 97 km/hr, and 13% from 97 to 113 km/hr. Sensitivity of the fuel consumption rates to speed increased with increasing speed and decreasing engine Size.

Suggested Citation

  • Greene, David L., 1981. "Estimated speed/fuel consumption relationships for a large sample of cars," Energy, Elsevier, vol. 6(5), pages 441-446.
    • Handle: RePEc:eee:energy:v:6:y:1981:i:5:p:441-446
    DOI: 10.1016/0360-5442(81)90006-2
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