What are the advantages of using cng and lpg as fuels?

Question: What are the advantages of using cng and lpg as fuels?

The advantages of using CNG(Compressed Natural Gas) and LPG(Liquefied Petroleum Gas) as fuels are listed below: (a) They are more efficient than fossil fuels. (b) They can be easily transported either through cylinders or through pipelines. (c) They are less polluting than other fossil fuels. (d)They are clean fuels and do not give smoke when burnt. (e)They give a lot of heat energy when burnt.