Introduction
California Emission Standards for Light-DutyVehicles (FTP 75, g/mi)
50,000 miles/5 years
100,000 miles/10 years
Category
*
*
NMOG
CO
NOx
PM
HCHO NMOG
CO
NOx
PM
HCHO
Passenger Cars
Tier 1
TLEV
LEV
0.25
0.125
0.075
0.040
3.4
3.4
3.4
1.7
0.4
0.4
0.2
0.2
0.08
–
0.31
0.156
0.090
0.055
4.2
4.2
4.2
2.1
0.6
0.6
0.3
0.3
–
–
–
–
–
0.015
0.015
0.008
0.08
0.08
0.04
0.018
0.018
0.011
ULEV
LDT1, LVW <3,750 lbs
Tier 1
TLEV
LEV
0.25
0.125
0.075
0.040
3.4
3.4
3.4
1.7
0.4
0.4
0.2
0.2
0.08
–
0.31
0.156
0.090
0.055
4.2
4.2
4.2
2.1
0.6
0.6
0.3
0.3
–
–
–
–
–
0.015
0.015
0.008
0.08
0.08
0.04
0.018
0.018
0.011
ULEV
LDT2, LVW >3,750 lbs
Tier 1
TLEV
LEV
0.32
0.160
0.100
0.050
4.4
4.4
4.4
2.2
0.7
0.7
0.4
0.4
0.08
–
0.40
0.200
0.130
0.070
5.5
5.5
5.5
2.8
0.97
0.9
0.5
0.5
–
–
–
–
–
0.018
0.018
0.009
0.10
0.10
0.05
0.023
0.023
0.013
ULEV
*
NMHC for allTier 1 standards
Abbreviations:
LVW
LDT
Loaded Vehicle Weight (curb weight + 300 lbs)
Light-DutyTruck
CO
Carbon Monoxide
Oxides of Nitrogen
Particulate Matter
NOx
PM
NMOG Non-Methane Organic Gases
NMHC Non-Methane Hydrocarbons
HCHO Formaldehyde
FTP 75 FederalTest Procedure 75 (grams per
mile
3
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