Emission norms for passenger cars

Norms

CO( g/km)

HC+ NOx(g/km)

1991Norms

14.3-27.1

2.0(Only HC)

1996 Norms

8.68-12.40

3.00-4.36

1998Norms

4.34-6.20

1.50-2.18

India stage 2000 norms

2.72

0.97

Bharat stage-II

2.2

0.5

Bharat Stage-III

2.3

0.35(combined)

Bharat Stage-IV

1.0

0.18(combined)


Emission norms for Heavy Diesel vehicles

Norms

CO( g/kmhr)

HC (g/kmhr)

NOx (g/kmhr)

PM(g/kwhr)

1991Norms

14

3.5

18

-

1996 Norms

11.2

2.4

14.4

-

India stage 2000 norms

4.5

1.1

8.0

0.36

Bharat stage-II

4.0

1.1

7.0

0.15

Bharat Stage-III

2.1

1.6

5.0

0.10

Bharat Stage-IV

1.5

0.96

3.5

0.02


Emission Norms for 2/3 wheeler

Norms

CO( g/km)

HC+ NOx)(g/km)

1991Norms

12-30

8-12 (only HC)

1996 Norms

4.5

3.6

India stage 2000 norms

2.0

2.0

Bharat stage-II

1.6

1.5

Bharat Stage-III

1.0

1.0