Gasoline - 1976 model-year and newer vehicles powered solely or in combination by Gasoline (Includes hybrid vehicles - beginning January 2015)
Propane, Natural gas, Methanol/ethanol, Diesel - 1998 model-year and newer vehicles with a gross vehicle weight rating (GVWR) 14,000 ,pounds and less powered solely or in combination by Diesel, Propane, Natural gas, Methanol/ethanol.
Exempted Vehicles
Gasoline vehicles 1975 model-year and older.
Gasoline vehicles eight or less model-years old are exempt from the biennial inspection.
Gasoline vehicles four or less model-years old are exempt from inspection upon change of ownership.