State Emission Standards - Gas: IDAHO
IDAHO EMISSION STANDARDS - 2-SPEED IDLE TEST
| Application |
HC ppm (CO %) |
| Light Duty Vehicles |
| 8500 GVWR Or Less |
| 1965-74 |
900 (5.0) |
| 1975-79 |
700 (3.0) |
| 1980 |
400 (1.5) |
| 1981 & Newer |
220 (1.2) |
| Heavy Duty Trucks |
| 8501 GVWR Or More |
| 1965-74 |
900 (6.0) |
| 1975-80 |
700 (5.0) |
| 1981 & Newer |
500 (3.0) |