U.S. Tier 2 Emission Standards for
Cars and Light Trucks
Effective for 2004-2009 Model Years*
(grams/mile)
| Bin | NMOG | CO | Nox | PM | HCHO |
|---|---|---|---|---|---|
50,000 miles |
|||||
| 10** | 0.125 | 3.4 | 0.4 | *** | 0.015 |
| 9** | 0.075 | 3.4 | 0.2 | *** | 0.015 |
| 8 | 0.100 | 3.4 | 0.14 | *** | 0.015 |
| 7 | 0.075 | 3.4 | 0.11 | *** | 0.015 |
| 6 | 0.075 | 3.4 | 0.08 | *** | 0.015 |
| 5 | 0.075 | 3.4 | 0.05 | *** | 0.015 |
120,000 miles |
|||||
| MDPV** | 0.280 | 7.3 | 0.90 | 0.12 | 0.032 |
| 10** | 0.156 | 4.2 | 0.60 | 0.08 | 0.018 |
| 9** | 0.090 | 4.2 | 0.30 | 0.06 | 0.018 |
| 8 | 0.125 | 4.2 | 0.20 | 0.02 | 0.018 |
| 7 | 0.090 | 4.2 | 0.15 | 0.02 | 0.018 |
| 6 | 0.090 | 4.2 | 0.10 | 0.01 | 0.018 |
| 5 | 0.090 | 4.2 | 0.07 | 0.01 | 0.018 |
| 4 | 0.070 | 2.1 | 0.04 | 0.01 | 0.011 |
| 3 | 0.055 | 2.1 | 0.03 | 0.01 | 0.011 |
| 2 | 0.010 | 2.1 | 0.02 | 0.01 | 0.004 |
| 1 | 0.000 | 0.0 | 0.00 | 0.00 | 0.000 |
Source:Federal Register, Vol. 65, No. 28, Thursday, February 10, 2000,pp. 6822-6870.
Acronyms Used
CO Carbon Monoxide
GVW Gross vehicle weight
HC Hydrocarbons
HCHO Formaldehyde
LDT Light-duty truck
LEV Low-emission vehicle
LVW Loaded vehicle weight
MDPV Medium-duty passenger vehicle (8,500-10,000 lbs. GVWR)
NMOG Non-methane organic gases
NOx Nitrogen oxides
PC Passenger car
PM Particulate matter
SULEV Super-ultra-low-emission vehicle
ULEV Ultra-low-emission vehicle
ZEV Zero-emission vehicle
* Some temporary standards are not shown.
** Bin expires after 2008
*** No standard
