CNG is better than petrol/ diesel, sincea. CNG burns more efficiently.b. CNG burns completely.c. CNG can not be adulterated.

CNG is a readily available alternative to gasoline that's made by compressing natural gas to less than 1% of its volume at standard atmospheric pressure. It consists mostly of methane. It is odourless, colourless and tasteless. CNG is better than petrol/ diesel because it has very low moisture content, cheap, easy to transport, burns more efficiently, completely and can not be adulterated.