| IMPROVEMENT
IN FUEL QUALITY
Fuel quality is directly responsible for the quantity and quality
of vehicular emissions. The Central Pollution Control Board has played a major
role in emission related fuel quality improvement. The specifications for emission
related fuel quality is presented in following table. EMISSION
RELATED FUEL QUALITY SPECIFICATION
| Fuel
| Parameters
| Pre
1996 | 1996
| 2000
| 2005 (Proposed)
| | Motor-gasoline
| Lead,
g/litre (Max)
| 0.56
| 0.15
| 0.013
| 0.005
| | Benzene,
% V/v (Max) | No
limit | 5
| 3
| 1
| | Sulphur,
% W/w (Max) | 0.25
| 0.20
(leaded) 0.10 (unleaded)
| 0.10
| 0.03
| | Diesel
| Sulphur,
% W/w (Max) | 0.5
| 0.5
| 0.25
| 0.05
| | Cetane
number (Min) | 42
| 45
| 48
| 50
| | Density,
Kg/M3 | No
limit | 820-880
| 820-860
| 820-855
| |