1 = Gasoline
2 = Diesel
3 = Natural Gas
4 = Electricity

G = Taxable Guzzler
T = Taxable

1 = 2-Wheel Drive
2 = 4-Wheel Drive
3 = 4-Wheel or All-Wheel Drive
4 = All-Wheel Drive
5 = Front-Wheel Drive
6 = Part-time 4-Wheel Drive
7 = Rear-Wheel Drive