California Code
ARTICLE 2 - Rates
Section 738.6.

738.6. 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.

(Added by Stats. 1988, Ch. 1546, Sec. 6.)