It generates moderately higher amounts of Carbon dioxide, which is one of the greenhouse gases.
Liquefied petroleum gas is a flammable mixture of hydrocarbon gases that can be used as fuel in heating, cooking, and automotive appliances.
CNG:
CNG is the Compressed Natural Gas.
The main component in CNG is Methane.
It generates moderately higher quantities of greenhouse gases on comparing with LPG.
Compressed natural gas is made by compressing natural gas (Methane) down to less than 1% of its volume, it can be used as a substitute for diesel, petrol, and LPG.