Question

Question 1
What are the advantages of using CNG and LPG as fuels?

Answer 1

The advantages of using compressed natural gas (CNG) and liquefied petroleum gas (LPG) as fuels are:
$\to$ They can be burnt directly.
$\to$ They can be transported easily through pipe lines.
$\to$ They are clean fuels and do not give smoke when burnt.
$\to$ They give a lot of heat energy when burnt.