Question

Which one is the cleanest and hottest fossil fuel?

Answer 1

natural gas that is CH4

Answer 2

Natural gas is the cleanest and hottest fossil fuel. While burning the natural gas produces water vapour and carbon dioxide.

These substances are also exhaled by the human being.

If it is compared to the other fossil fuels like oil, gas, the natural gas like Methane emits least amount of Carbon dioxide into air.

It makes the natural gas as the cleanest fossil fuel.