• AFV--Alternative Fuel Vehicle

• CNG--Compressed Natural Gas

• EV--Electric Vehicle

• HEV--Hybrid Electric Vehicle

• ILEV - Inherently Low Emission Vehicle

• LEV--Low emission Vehicle

• LNG--Liquefied Natural Gas

• LPG--Liquefied Petroleum Gas (Propane)

• NLEV-- National Low Emission Vehicle

• SULEV--Super Ultra Low Emission Vehicle

• TLEV--Transitional Low Emission Vehicle

• ULEV--Ultra Low Emission Vehicle

• ZEV--Zero Emission Vehicle

• FFV--Flexible Fuel Vehicle

For more information on EAD's Air Quality Division, click on the AQD homepage here, or to return to the Environmental Affairs Department's homepage, click EAD homepage.