In establishing rates for a public utility operating any portion of its line, plant, or system within a federally designated nonattainment area, the commission shall determine which expenses related to compliance with state and local air pollution control requirements for using clean-burning fuels in that area are reasonable and necessary and shall approve those expenses.
727
727.5
728
728.1
728.2
728.3
728.4
728.5
728.7
729
729.5
730
730.3
730.7
730.8
732
733
734
735
736
737
737.3
738
738.6
739
739.1
739.2
739.3
739.4
739.5
739.6
739.7
739.8
739.9
739.10
740
740.1
740.2
740.3
740.4
740.5
740.6
740.7
740.8
740.9
740.10
740.11
740.12
741
741.1
741.2
741.3
742
742.1
742.3
742.5
743
743.3
744
744.5
745
746
747
747.5
748.5
749
750
755
758
727.5
728
728.1
728.2
728.3
728.4
728.5
728.7
729
729.5
730
730.3
730.7
730.8
732
733
734
735
736
737
737.3
738
738.6
739
739.1
739.2
739.3
739.4
739.5
739.6
739.7
739.8
739.9
739.10
740
740.1
740.2
740.3
740.4
740.5
740.6
740.7
740.8
740.9
740.10
740.11
740.12
741
741.1
741.2
741.3
742
742.1
742.3
742.5
743
743.3
744
744.5
745
746
747
747.5
748.5
749
750
755
758