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Vehicles & Mileage

Vehicles & Mileage. Comparison between Vehicle Population and Miles Driven Trends. 1970: LDGV&M were 81.6% of vehicle population and accounted for 81.7% of miles driven. 1970: LDGT were 12.7% of vehicle population and accounted for 11% of miles driven.

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Vehicles & Mileage

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  1. Vehicles & Mileage

  2. Comparison between Vehicle Population and Miles Driven Trends • 1970: LDGV&M were 81.6% of vehicle population and accounted for 81.7% of miles driven. • 1970: LDGT were 12.7% of vehicle population and accounted for 11% of miles driven. • 2002: LDGV&M were 59.2% of vehicle population and accounted for 57.7% of miles driven. • 2002: LDGT were 35.9% of vehicle population and accounted for 33.6% of miles driven. • It would seem that vehicle population and miles driven have a one to one relationship.

  3. Comparison between Vehicle Population and Miles Driven Trends • 1970-1990: The rate of vehicle population for LDGV&M was 2.2 million/year. • 1992-2002: The rate of vehicle population for LDGV&M was cut in half to 1.1 million/year. • 1970-1984: The rate of vehicle population for LDGT was 1.3 million/year. • 1984-2002: The rate of vehicle population for LDGT more than doubled to 2.9million/year. • Although the LDGV&M population has always been greater than the LDGT population, if the most recent rates continue, this trend may be broken (the same can be said for miles driven). • A dip in LGV&M population was seen from 1990-1992, which corresponds to a dip in miles driven from 1990-1995 • After 1984, the LDGT population began to rapidly increase, the same is true for miles driven.

  4. The Miles Per Vehicle Cofactor • 1974-2000: LDGT were driven more than LDGV&M on a per vehicle basis. • 2000-2002: LDGV&M began to exceed LDGT again as from 1970-1974. • 1972-1989: A decrease is seen for LDGV&M, while the increasing trend begins in 1980.

  5. Mileage & Fuel Consumption

  6. Comparison between Miles Driven and Fuel Consumption • 1970: LDGV&M accounted for 72.5% of fuel consumption as compared to 13.2% for LDGT. • 2002: LDGV&M accounted for only 44.2% of fuel consumption as compared to 32.4% for LDGT. • LDGT may eventually account for more fuel consumption than LDGV&M. • The dips in fuel consumption while the miles driven steadily increases, shows that there is not a one to one relationship.

  7. The Gallons Per Mile Cofactor • LDGT: Fuel consumption has always been on the rise except for a dip between 1979-1982. • LDGV&M: Fuel consumption dips between 1973-1976, the maximum is seen in 1978, and this level is only beginning to be reached since the dip between 1989-1991. • Miles driven has an continually increasing trend, which explains why this cofactor is essentially a downward trend.

  8. Vehicles & Fuel Consumption

  9. The Comparison between Vehicle Population and Fuel Consumption

  10. The Ratio of Vehicles to Gallons

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