I think you mean - Charcoal.
Charcoal is made out of trees.
For more information, search it on http://www.wikipedia.com/
People do not eat cooking coal, it does not have defineable calories in it.
435.84 MT out of which 392.48MT is non cooking coal rest is cooking coal..
cooking
Half the world's population uses wood for cooking and heating purposes. Coal is also a popular choice for electricity generation, but not as widely used for cooking and heating in households.
coal
Coal is important to china because they use it for a lot of purposes. Such as cooking.
Between coal and wood, both are fairly effective. For more consistent cooking temperature, and for a higher heat, the coal would be a better choice. If you're not interesting in the smoky flavor, go for the wood.
coal can be used in many instances such as for cooking purposes and alsofor decorating purposes too.
because the coal helps the person to cook if he or she does not have a stove or any cooking materials
Electricity, Gas, Propane or Coal
Almost everyone used it. They used it for heating, cooking, and almost everything else.
Sea coal is a type of coal found in coastal areas which has been washed up or exposed by the sea. It is typically a low-grade coal that has been weathered and eroded, and is often used historically for heating and cooking fuel.