Subd. 1. Definitions.

For the purposes of this section, the following terms shall have the meanings given:

1. (a) "Waste oil" means a refined oil which has been used for the lubrication of an internal combustion engine or in a similar crankcase application or other applications in connection with motor vehicles and has been contaminated by impurities as a result of that use.
2. (b) "Approved waste oil burner" means a device designed to burn waste oil for heating purposes, which is found by a recognized independent testing laboratory to provide a degree of safety substantially equivalent to other devices approved for similar purposes under the Uniform Fire Code or State Building Code.

Subd. 2. Burner permitted.

Notwithstanding any contrary provision of sections 16B.59 to 16B.73 or 299F.011, or any rule adopted under those sections, the state fire marshal, the state building inspector, and political subdivisions may permit the installation and use of approved waste oil burners in gasoline service stations or commercial garages.

Subd. 3. Limitations.

No person shall burn any waste oil in an approved waste oil burner if the waste oil does not conform with the specifications contained in rules of the pollution control agency adopted under section 116.07.