Section 507(o) of the Energy Policy Act (EPACT) requires state governments to purchase an increasing percentage of alternative fuel vehicles for their light-duty vehicle (LDV) fleets. This requirement began in model year 1996. To determine the effect of this mandate, the total number of state vehicles that may be covered under this mandate and the number of alternative-fuel LDVs that may be acquired is estimated. In addition, operating characteristics, fuel use, turnover rate, and refueling practices of state fleet vehicles are presented.
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