HIGHLIGHTS 1999

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

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