Federal and California Light-Duty Vehicle
Emissions Standards for Air Pollutants
Tier 3 and LEV III Program
Standard1
Bin 0
Bin 20
Bin 30
Bin 50
Bin 70
Bin 125
Bin 160
N/A4
SULEV20
SULEV30
ULEV50
ULEV70
ULEV125
LEV160
MY Fully
Implemented
Tier/LEV
2025/2015
2025/2015
2025/2015
2025/2015
2025/2015
2025/2015
2025/2015
Vehicles
LDV, LOT, MDPV
LDV, LOT, MDPV
LDV, LOT, MDPV
LDV, LOT, MDPV
LDV, LOT, MDPV
LDV, LOT, MDPV
LDV, LOT, MDPV
Emission Limits at Full Useful Life2
Maximum Allowed Grams Per Mile
NOx +
NMOG
0
0.02
0.03
0.05
0.07
0.125
0.16
CO
0
1
1
1.7
1.7
2.1
4.2
PM
(Tier/LEV)3
0
0.003
0.003
0.003
0.003
0.003
0.003
0
0.01
0.01
0.01
0.01
0.01
0.01
HCHO
0
0.004
0.004
0.004
0.004
0.004
0.004
TierS Final Rule
LEV III Final Order
CARB ZEV Program
Tier 2 Program5'6
Standard
Bin 1
Bin 2
Bin3
Bin 4
Bin5
Bin 6
Bin 7
Bin 8a
Bin 8b
Bin 9a
Bin9b
Bin 9c
Bin lOa
Bin lOb
Bin lOc
Bin 11
MY
2004+
2004+
2004+
2004+
2004+
2004+
2004+
2004+
2004-2008
2004-2006
2004-2006
2004-2008
2004-2006
2004-2008
2004-2008
2004-2008
Vehicles
LDV, LLDT, HLDT, MDPV
LDV, LLDT, HLDT, MDPV
LDV, LLDT, HLDT, MDPV
LDV, LLDT, HLDT, MDPV
LDV, LLDT, HLDT, MDPV
LDV, LLDT, HLDT, MDPV
LDV, LLDT, HLDT, MDPV
LDV, LLDT, HLDT, MDPV
HLDT, MDPV
LDV, LLDT
LDT2
HLDT, MDPV
LDV, LLDT
HLDT, MDPV
LDT4,MDPV
MDPV
NOx+NMOG
0
0.03
0.085
0.11
0.16
0.19
0.24
0.325
0.356
0.39
0.43
0.48
0.756
0.83
0.88
1.18
CO
0
2.1
2.1
2.1
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
6.4
6.4
7.3
PM
0
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.06
0.06
0.06
0.08
0.08
0.08
0.12
HCHO
0
0.004
0.011
0.011
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.027
0.027
0.032
Tier 2 Rule
x>EPA
United States
Environmental Protection
Agency
EPA-420-F-16-002
February 2016
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Federal and California Light-Duty Vehicle
Emissions Standards for Air Pollutants
LEV II Program
Standard
ZEV
PZEV*
SULEVII
ULEVII
LEV II
LEV II Option 1
SULEVII
ULEVII
LEV II
SULEVII
ULEVII
LEV II
MY
2004+
2004+
2004+
2004+
2004+
2004+
2004+
2004+
2004+
2004+
2004+
2004+
Vehicles
LDV, LOT
LDV, LOT
LDV, LOT
LDV, LOT
LDV, LOT
LDV, LOT
MDV4
MDV4
MDV4
MDV5
MDV5
MDV5
NOx+NMOG
0
0.03
0.03
0.125
0.16
0.19
0.2
0.343
0.395
0.317
0.567
0.63
CO
0
1
1
2.1
4.2
4.2
3.2
6.4
6.4
3.7
7.3
7.3
PM
0
0.01
0.01
0.01
0.01
0.01
0.06
0.06
0.12
0.06
0.06
0.12
HCHO
0
0.004
0.004
0.011 |
0.018
0.018
0.008
0.016
0.032
-
-
-
LEV II Rule
Tier 1 Program
LDV
LDT1
LDV diesel
LDT1 diesel
LDT2
LDT3
LDT4
1994 2003
1994 2003
1994 2003
1994 2003
1994 2003
1994 2003
1994 2003
LDV
LDT1
LDV
LDT1
LDT2
LDT3
LDT4
0.91
0.91
1.56
1.56
1.37
1.44
2.09
4.2
4.2
4.2
4.2
5.5
6.4
7.3
0.01
0.01
0.01
0.01
0.01
0.01
0.12
-
0.8
-
0.8
0.8
0.8
0.8
Tierl Rule
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Federal and California Light-Duty Vehicle
Emissions Standards for Air Pollutants
LEV I Program
Standard
ULEVIdiesel
ULEVI
SULEVI
LEV 1 diesel
LEVI
ILEV
ULEVI
LEVI
SULEVI
ULEVIdiesel
ULEVI
SULEVI
ILEV
LEV 1 diesel
LEVI
ULEVI
TLEV 1 diesel
TLEVI
LEVI
SULEVI
ULEVI
TLEV 1 diesel
TLEVI
LEVI
ULEVI
LEVI
ULEVI
LEVI
MY
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2003
2001-2003
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
2001-2006
Vehicles
LDV, LDT1
LDV, LDT1
MDV2
LDV, LDT1
LDV, LDT1
LDV, LDT1
MDV2
LDV, LDT1
MDV3
MDV2
MDV2
MDV4
LDT2
LDT2
LDT2
MDV2
LDV, LDT1
LDV, LDT1
MDV2
MDV5
MDV3
LDT2
LDT2
MDV3
MDV4
MDV4
MDV5
MDV5
NOx+NMOG
0.355
0.355
0.372
0.39
0.39
0.39
0.407
.456/.61
0.534
0.57
0.57
0.6
0.63
0.63
0.63
0.743
0.756
0.756
0.83
0.83
1.067
1.1
1.1
1.18
1.197
1.33
1.697
1.93
CO
2.1
2.1
3.2
4.2
4.2
4.2
2.5
4.2
3.7
2.8
2.8
4.1
5.5
5.5
5.5
6.4
4.2
4.2
6.4
5.2
7.3
5.5
5.5
7.3
8.1
8.1
10.3
10.3
PM
0.04
n/a
0.05
0.08
n/a
0.08
0.04
0.08
0.06
0.05
n/a
0.06
0.08
0.1
n/a
0.05
0.08
n/a
0.1
0.06
0.06
0.1
n/a
0.12
0.06
0.12
0.06
0.12
HCHO
0.011 |
0.011 |
0.006
0.018
0.018
-
0.012
-
0.008
0.013
0.013
0.01
-
0.023
0.023
0.013
0.018
0.018
0.027
0.013
0.016
0.023
0.023
0.032
0.021
0.04
0.026
0.052
'Doesn't Include Tier 3 transitional bins (Bin 85 and Bin 110)
2Tier and LEV III are certified to 150,000 mi life, not 100-120,000 as in previous programs
Starting in 2017, LEV PM standards drop to 0.003g/mi, with 100% certifying by 2021, and drop further starting in 2025
"ZEVs are handled separately under CARB's ZEV Program
5PriortoTier 3 and LEVIN, NOxand NMOG had separate standards, but are shown here as combined for easier comparison
6Doesn't include federal NLEV standards which applied MY 1999 to 2003 LDV and LLDT vehicles
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