"Lean-burn engine" means any spark-ignited engine that is not a rich-burn engine.
Ill. Admin. Code tit. 35, § 211.3300
Added at 31 Ill. Reg. 14254, effective September 25, 2007
"Lean-burn engine" means any spark-ignited engine that is not a rich-burn engine.
Ill. Admin. Code tit. 35, § 211.3300
Added at 31 Ill. Reg. 14254, effective September 25, 2007