Tuesday 29 May 2012

Vehicular Exhaust & Auto fuel policy in India



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 Emission Norms for 2/3 wheeler

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
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






 AUTO FUEL POLICY
DIESEL SPECIFICATION
YEAR
1996
2000
2005
2010
Cetane No, Min
45
48
48
51
sulphur % W/w, Max
0.50
0.25 0.25(metro)
0.05
0.035
Distillation T95
-
370
370
360
Polyaromatic
-
-
-
11
GASOLINE SPECIFICATION
RVP at 38Deg.c,kpa
35-70
-
35-60
60
BENZENE %by Vol.,max
5.0
5.0 3.0(Metro)
3.0(all) 1.0(Metro)
1.0
Lead G/m3, max
0.15 %(low pb) 0.013% (unleaded)
0.013
0.013
0.005
Sulphur % by mass, max
0.10(unleaded) 0.20 (leaded)
0.10
0.05
0.015
Aromatics % v/v., Max
-
-
45
42
Oxygen %by Vol., Max
-
-
2.0
2.7


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