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Light gasoline vehicles model years 1982 and newer.

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Presentation on theme: "Light gasoline vehicles model years 1982 and newer."— Presentation transcript:

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5 Light gasoline vehicles model years 1982 and newer

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8 Results from Sibley & Associates 2011 Survey for Envirotest

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11 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

12 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

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

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

15 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

16 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)

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18 RSD Cutpoint HC/CO/NO % Pass

19 RSD Cutpoint HC/CO/NO % Pass

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

21 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

22 Light Truck Passenger

23 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

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