A substantial fall in C02 and S02 level has been found in Delhi between 1997 and 2005 due to
A. use of purified, unleaded petrol
B. use of purified, unleaded diesel
C. use of Compressed Natural Gas (CNG) in public transports
D. use of LiquifiedPetroleam Gas (LPG) in public transports
Answer:C
A substantial fall in C02 and S02 level has been found in Delhi between 1997 and 2005 due to
A. use of purified, unleaded petrol B. use of purified, unleaded diesel C. use of Compressed Natural Gas (CNG) in public transports D. use of LiquifiedPetroleam Gas (LPG) in public transports