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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.



Irreversible Price-Induced Efficiency Improvements: Theory and Empirical Application to Road Transportation

I.O. Walker and Franz Wirl

Year: 1993
Volume: Volume14
Number: Number 4
DOI: 10.5547/ISSN0195-6574-EJ-Vol14-No4-12
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Abstract:
Energy demand since 1986 seems inconsistent with the notion of constant income and price elasticities reported in the literature. Energy demand growth remained sluggish despite the simultaneous substantial reduction in real fuel costs and increases in real income. This investigation differentiates, as it were, two different price effects that should explain this apparent asymmetry in energy demand. The first effect is embedded in the technical efficiency and therefore largely irreversible. The second effect revolves around consumers' decisions and hence is reversible. This dichotomy of the price effect provides a suitable framework to study energy demand (in this instance, road transport). Moreover, the projections and policy recommendations following from this framework differ from the standard symmetric specification. Moderate price increases will affect consumers' behaviour, while only sufficiently high gasoline prices will trigger further efficiency improvements. The present low growth rates of energy demand mask a much higher growth at the service level, therefore energy demand growth may accelerate as these efficiency gains die out (if price levels or price expectations remain low).



The Environmental Cost of Global Fuel Subsidies

Lucas W. Davis

Year: 2017
Volume: Volume 38
Number: KAPSARC Special Issue
DOI: 10.5547/01956574.38.SI1.ldav
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