OPINION — AG — ** PREFERENTIAL RATES — GAS COMPANIES ** CAN OR CANNOT THE LEGISLATURE, BY STATUTE, LIMIT THE AUTHORITY OF THE CORPORATION COMMISSION IN GRANTING PREFERENTIAL INDUSTRY RATES TO GAS COMPANIES. . . SEE OPINION. (UTILITIES, NATURAL GAS, SPECIAL TREATMENT) CITE: 17 Ohio St. 151 [17-151] (FRED HANSEN)