Section 285.47 - Nitrogen oxide emission goal; major utilities(1) DEFINITION. In this section, "major utility" has the meaning given in s. 285.41(1) (f).(2) GOAL. It is the goal of this state that, beginning with 1991, the total annual nitrogen oxide emissions from all major utilities do not exceed 135,000 tons.1985 a. 296; 1987 a. 186; 1995 a. 27; 1995 a. 227 s. 484; Stats. 1995 s. 285.47.