Description:

     Data on motor fuel consumption and related variables, for the year
     2001. The unit is a state in the United States or the District of
     Columbia.  Data are for 2001, unless noted.

Format:

     This data frame contains the following columns.  Row labels are
     the two-digit US Postal abbreviations for the US states.

     Drivers Number of Licensed drivers in the state

     FuelC Gasoline sold for road use (1000s of gal.)

     Income Per capita personal income (year 2000)

     Miles Miles of Federal-aid highway miles in the state

     MPC Estimated miles driven per capita

     Pop Population age 16 and over

     Tax Gasoline state tax rate, cents per gallon

Source:

     <URL: http://www.fhwa.dot.gov/ohim/hs01/index.htm>

References:

     Weisberg, S. (2005). _Applied Linear Regression_, third edition.
     New York: Wiley.