Indian and Euro Norms for Petrol Driven Passenger Cars
| 1991-92 | 1996 | 1998 | 1996 | 2000 | 2005 | |||
| India | Euro-I | India | India | Euro-II | India | Euro-III2 | Euro-IV2 | |
| CO g/km |
14.3-27.1 |
0.72 | 8.68-12.4 |
4.34-6.20 |
2.2 | 2.72 | 2.30 | 1.0 |
| HC g/km |
2.0-2.9 | -- | -- | -- | -- | -- | 0.20 | 0.1 |
| NOx g/km |
-- | -- | -- | -- | -- | -- | 0.15 | 0.08 |
| HC+ NOx g/km |
-- | 0.97 | 3.4-4.36 |
1.5- 2.18 |
0.57 |
0.97 | -- | -- |
Note : 1. Norms for Passenger Cars fitted With Catalytic Converter Only.
2. In Case of Euro III & Euro IV Cop = Type approved norms.