Hydrogen has been used as a rocket fuel. Would you consider it a cleaner fuel than CNG? Why or why not?

Why is charcoal better fuel than wood?

Can you name a few fuels. used in our homes?

Debate the following issue in class. the estimated coal reserves are said to be enough to last us for another two hundred years. Do you think we need to worry about coal getting depleted in this case ? Why or why not ?

Hydrogen oxygen fuel cells are used in space craft to supply.

Why are carbon and its compounds used as fuels for most applications?

What are the criteria you would consider when trying to categorise something as a good fuel ?

Why is coal called fossil fuel ?