As used in the Advanced Energy Technologies Economic Development Act:
A. "alternative fuel" means natural gas, liquefied petroleum gas, electricity, hydrogen, a fuel mixture containing not less than eighty-five percent ethanol or methanol, a fuel mixture containing not less than twenty percent vegetable oil or a water-phased hydrocarbon fuel emulsion consisting of a hydrocarbon base and water in an amount not less than twenty percent by volume of the total water-phased fuel emulsion;
B. "clean energy" means alternative fuels, energy efficiency, renewable energy and fuel cells;
C. "department" means the energy, minerals and natural resources department;
D. "energy efficiency" means the application of technology resulting in the reduced or improved use of energy;
E. "fuel cell" means equipment using an electrochemical process to generate electricity and heat;
F. "fund" means the clean energy grants fund;
G. "renewable energy" means thermal or electrical energy generated by means of a low- or zero-emissions generation technology that has substantial long-term production potential, including solar, wind, geothermal, landfill gas or biomass, but does not include fossil fuel or nuclear power; and
H. "secretary" means the secretary of energy, minerals and natural resources.