Sec. 19. (a) This section does not apply when the purchase description is limited to a fuel of which at least twenty percent (20%) by volume is soy diesel/bio diesel.

     (b) As used in this section, “soy diesel/bio diesel” includes fuels (other than alcohol) that are primarily esters derived from biological materials, including oilseeds and animal fats, for use in compression and ignition engines.

     (c) There is a price preference of ten percent (10%) for soy diesel/bio diesel.

     (d) The price preference under this section applies to a purchase of fuel of which at least twenty percent (20%) by volume is soy diesel/bio diesel.

As added by P.L.49-1997, SEC.1.