Question

What is an ideal fuel ? Name two ideal fuels.

Answer 1

Ideal fuel is a fuel which on burning doesn't emit harmful gases it is easy to transport and store it is also of very low cost and gives more heat per weight ,It also have a high calorific value.It should have low ignition temp.
ex.-Natural gas,LPG,CNG.

Answer 2

natural gas as close as you can get to an ideal fuel .it required minimal processes before use and it have high calorific value. as it is a gas it easily mixed with the oxygen
two ideal fuel are
LPG
CNG