October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
New YORK
NEW YORK EMISSION STANDARDS - DIESEL OPACITY TEST
| Application |
Opacity % |
| Heavy Duty Vehicles (8500 GVWR Or More) |
| 1973 & Earlier |
70 |
| 1974-90 |
55 |
| 1991 & Newer |
40 |