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The U.S. Demand for Highway Travel and Motor Fuel

Dermot Gately

Year: 1990
Volume: Volume 11
Number: Number 3
DOI: 10.5547/ISSN0195-6574-EJ-Vol11-No3-3
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Abstract:
This paper, based on an econometric analysis of annual data since 1965, examines the prospects for US highway travel and fuel demand, disaggregated by vehicle type (cars and light trucks). Despite projections by the US Department of Energy (DOE/EIA) of virtually no change in highway fuel use in the 1990s, we project a growth rate of about 1.3% annually. DOE/EIA assumes extraordinarily rapid improvement in fuel efficiency and relatively slow growth in large trucks' vehicle miles. We project slower gains in fuel efficiency, for all types of vehicles, and faster growth for large trucks' vehicle miles.



Fuel Efficiency and Motor Vehicle Travel: The Declining Rebound Effect

Kenneth A. Small and Kurt Van Dender

Year: 2007
Volume: Volume 28
Number: Number 1
DOI: 10.5547/ISSN0195-6574-EJ-Vol28-No1-2
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Abstract:
We estimate the rebound effect for motor vehicles, by which improved fuel efficiency causes additional travel, using a pooled cross section of US states for 1966-2001. Our model accounts for endogenous changes in fuel efficiency, distinguishes between autocorrelation and lagged effects, includes a measure of the stringency of fuel-economy standards, and allows the rebound effect to vary with income, urbanization, and the fuel cost of driving. At sample averages of variables, our simultaneous-equations estimates of the short- and long-run rebound effect are 4.5% and 22.2%. But rising real income caused it to diminish substantially over the period, aided by falling fuel prices. With variables at 1997-2001 levels, our estimates are only 2.2% and 10.7%, considerably smaller than values typically assumed for policy analysis. With income and starting fuel efficiency at 1997-2001 levels and fuel prices 58 percent higher, the estimates are still only 3.1% and 15.3%, respectively.





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