‘Special fuel’ means any combustible gas or liquid used for the generation of power for the propulsion of motor vehicles, including, without limitation, diesel, biodiesel, biodiesel blend, biomass-based diesel, biomass-based diesel blend, liquefied natural gas, an emulsion of water-phased hydrocarbon fuel or kerosene or any other product used in lieu of or blended with the combustible gas or liquid. The term does not include motor vehicle fuel as defined in chapter 365 of NRS.