49-542.04. Off-road vehicle and engine standards
A. The department may adopt rules for air pollution emission standards for off-road vehicles and engines marketed in the state beginning with the 1999 model year.
B. The standards may include the following categories:
1. Heavy-duty diesel vehicles rated at 175-750 horsepower.
2. Small utility and lawn and garden equipment engines rated at less than twenty-five horsepower.
3. Recreational vehicles rated at less than twenty-five horsepower.
4. Specialty engines and go-carts rated at greater than twenty-five horsepower.
5. Off-road motorcycles and all terrain vehicles.
C. In a county with a population of more than one million two hundred thousand persons, the department may adopt rules for air pollution emission standards for golf cart engines.