Light gasoline vehicles model years 1982 and newer

Results from Sibley & Associates 2011 Survey for Envirotest

Retained I/M Reductions Re-calculate compliance rates and run MOVES again Output Table of I/M Reductions (Excel) Clean Screen effectiveness Evaluated fleet fractions MOVES Runs for Region & Period No I/M With I/M

Retained I/M Reductions Re-calculate compliance rates and run MOVES again Output Table of I/M Reductions (Excel) Clean Screen effectiveness Evaluated fleet fractions MOVES Runs for Region & Period No I/M With I/M

Evap I/M Reductions After I/M Exhaust After I/M Evap & Leaks Exhaust I/M Reductions

Exhaust after I/M Exhaust I/M Reductions Model Year

Retained I/M Reductions Re-calculate compliance rates and run MOVES again Output Table of I/M Reductions (Excel) Clean Screen effectiveness Evaluated MY fractions MOVES Runs for Region & Period No I/M With I/M

Repairable Emissions Testable Fleet C - Through Screen (3) With Clean Screen A - Clean Screen Evaluated (50) B - Blocked by Screen (47) N - Not Evaluated (50) N - Not Evaluated (50)

RSD Cutpoint HC/CO/NO % Pass

RSD Cutpoint HC/CO/NO % Pass

 Adding OBD model Mil-On rate < 10% criteria improves screen effectiveness

Retained I/M Reductions Re-calculate compliance rates and run MOVES again MOVES Output Table of I/M Reductions (Excel) Screen criteria effectiveness Evaluated MY fractions MOVES Runs for Region & Period No I/M With I/M

Light Truck Passenger

Retained I/M Reductions Re-calculate compliance rates and run MOVES again MOVES Output Table of I/M Reductions (Excel) Screen criteria effectiveness Evaluated MY fractions MOVES Runs for Region & Period No I/M With I/M