Why are carbon and its compounds used as fuels for most applications? Carbon and its compounds are used as fuels because:They release a lot of energy when burned.They are abundant and easily available.They are relatively inexpensive.They can be easily transported and stored.Carbon fuels like coal, petrol, and diesel are commonly used. Explore Entire Collection of Texcellency Books Download Your FREE Book Now “A good textbook is like a smart GPS — it doesn’t just give you the destination, it tells you every turn along the way, in simple language you actually understand.”