Revenues derived from the tax imposed under Section 3.40.010 shall not be utilized to acquire any new internal combustion powered equipment or funds derived from general obligation bonds secured in part or in whole by the tax levied and collected under this chapter shall not be used to acquire internal combustion powered equipment unless such equipment meets the standards for control of pollutants emitted by internal combustion engines as determined by the Washington State Air Pollution Control Board, which standards shall not be less than those required by similar federal standards. (Prior code § 4.68.060.)