Year
Manufacturer
Unique numeric identifier for manufacturer
Nameplate for model
Miles per gallon
Weight of vehicle in pounds
Horsepower
Torque
Fuel type (D, EL, FFV, G, G/EL (hybrid), NG)
= 1 if light (pickup) truck, = 0 otherwise
= 1 if manual transmission, = 0 otherwise
d_manual times (year - 1979)
= 1 if uses diesel fuel, = 0 otherwise
= 1 if turbocharged, = 0 otherwise
= 1 if supercharged, = 0 otherwise
Acceleration imputed given hp and curbwt
= 1 if FORD, GMC, HONDA, NISSAN, TOYOTA
Natural logarithm of mpg
Natural logarithm of weight
Natural logarithm of horspower
Natural logarithm of torque