Emission standards for nonroad engines are adopted by the Turkish Ministry of Industry and Trade. The standards are fully harmonized with the EU regulations, but implementation dates are different, as outlined in the following table. All the implementation dates are market placement dates.
| Stage | Power (P), kW | Date |
|---|---|---|
| Mobile Nonrod Engines | ||
| Stage I (Faz I) | 37 ≤ P ≤ 560 | 2003.04 |
| Stage II (Faz II) | 18 ≤ P ≤ 560 | 2007 |
| Stage IIIA (Faz IIIA) | 19 ≤ P ≤ 560 | 2010 |
| Stage IIIB (Faz IIIB) | 130 ≤ P ≤ 560 | 2011 |
| 56 ≤ P < 130 | 2012 | |
| 37 ≤ P < 56 | 2013 | |
| Stage IV (Faz IV) | 130 ≤ P ≤ 560 | 2014 |
| 56 ≤ P < 130 | 2014.10 | |
| Inland Waterway Vessels | ||
| Stage IIIA (Faz IIIA) | 37 ≤ P | 2010 |
| Rail Engines | ||
| Stage IIIA (Faz IIIA) | 130 ≤ P | 2010 |
| Stage IIIB (Faz IIIB) | 130 ≤ P | 2012 |