9.1.1 Vehicles Required for Emissions Testing

The requirement for emissions testing applies to the following classes of gasoline-powered vehicles registered in the covered counties. 

a) All light duty vehicles 24 model years old and newer. 

b) All light duty trucks 24 model years old and newer with a gross vehicle weight rating of 8,500 pounds or less. 

c) The three most recent model year vehicles are exempt from emission testing each year. For registration in 2011, this includes all 2009 and newer model year vehicles. Vehicles that are capable of being operated on both gasoline and any alternate fuel are covered by the inspection requirement and shall be tested on gasoline. 

d) Additionally, vehicles that are 25 model years or older are exempt from emission testing.