| 1.__Definition.__As used in this section, unless the context |
| otherwise indicates, the term "biofuel" means any liquid or |
| gaseous product or energy source used to propel motor vehicles or |
| otherwise substitute for liquid or gaseous fuels that is derived |
| from agricultural crops or residues or from forest products or |
| byproducts, as distinct from petroleum or other fossil carbon |
| sources.__"Biofuel" includes, but is not limited to, ethanol, |
| methanol derived from biomass, levulinic acid, biodiesel, |
| pyrolysis oils from wood, hydrogen or methane from biomass, or |
| combinations of any of the above that may be used to propel motor |
| vehicles either alone or in blends with conventional gasoline or |
| diesel fuels or that may be used in place of petroleum products |
| in whole or in part to fire heating devices or any stationary |
| power device. |