oEPA
United States
Environmental Protection
Agency
Office of Transportation and Air Quality
EPA-420-B-16-006
March 2016
Light-Duty Vehicles and Light-Duty Trucks: Clean Fuel Fleet Exhaust Emission Standards3
Federal
Vehicle
Type
i n\/c
I I RTc
LJI nTo
Emissions
Category
TLEV
LEV
ULEV
TLEV
LEV
ULEV
TLEV
LEV
ULEV
TLEV
LEV
ULEV
TLEV
LEV
ULEV
TLEV
LEV
ULEV
LEV
ULEV
LEV
ULEV
LEV
ULEV
LEV
ULEV
LEV
ULEV
LEV
ULEV
Useful Life
Standard
Intermediate
Full
Intermediate
PI MI
PI MI
Test Weight
(Ibs)
All
0-3750 LVW
3751-5750
LVW
0-3750 LVW
3751-5750
LVW
0-3750 LVW
ALVW
3751-5750
ALVW
5751 +
ALVW
0-3750 LVW
ALVW
3751-5750
ALVW
5751 +
ALVW
NMOG
(g/mi)
0.125
0.075°
0.040
0.156
0.090°
0.055
0.0125
0.075°
0.040
0.160
0.100°
0.050
0.156
0.090°
0.055
0.200
0.130°
0.070
0.125°
0.075
0.160°
0.100
0.195°
0.117
0.180°
0.107
0.230 °
0.143
0.280 °
0.167
NOx
(g/mi)
0.4
0.2
0.2°
0.6
0.3
0.3°
0.4
0.2
0.2°
0.7
0.4
0.4°
0.6
0.3
0.3°
0.9
0.5
0.5°
0.4 d
0.2 °'d
0.7 d
0.4 °'d
1.1 d
0.6 °'d
0.6
0.3°
1.0
0.5°
1.5
0.8°
CO
(g/mi)
3.4
3.4°
1.7
4.2
4.2°
2.1
3.4
3.4°
1.7
4.4
4.4°
2.2
4.2
4.2°
2.1
5.5
5.5°
2.8
3.4°
1.7
4.4°
2.2
5.0°
2.5
5.0°
2.5
6.4°
3.2
7.3°
3.7
Formaldehyde
(g/mi)
0.015
0.015°
0.008
0.018
0.018
0.011
0.015
0.015°
0.008
0.018°
0.018°
0.009
0.018
0.018°
0.011
0.023
0.023 °
0.013
0.015°
0.008
0.018°
0.009
0.022 °
0.011
0.022 °
0.012
0.027 °
0.013
0.032 °
0.016
PM
(g/mi) b
-
-
-
0.08
0.08°
0.04
-
-
-
-
-
-
0.08
0.08°
0.04
0.08
0.08°
0.04
-
-
-
-
-
-
0.08°
0.04
0.10°
0.05
0.12°
0.06
Notes:
a These standards have in effect been superseded by
newer, more stringent standards in 40 Code of Federal
Regulations (CFR) Part 86. See EPA manufacturer guid-
ance letter on Clean-Fuel Vehicle Standards (CCD-05-12,
July 21, 2005) which provides guidance on deternining
the equivalency of vehicle and engine emission standards
in the CFR Part 86 standards and Part 88 standards for
Clean-Fuel Vehicles.
b Applies to diesel vehicles only.
c Applies to Inherently Low Emission Vehicles.
d Does not apply to diesel vehicles.
Code of Federal Regulations (CFR) citations:
40 CFR 88.104-94 = Clean-fuel vehicle tailpipe emission
standards for light-duty vehicles and light-duty trucks
40 CFR 88.311- 93 § 88.311- 98 = Emission standards for
Inherently Low-Emission Vehicles
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