Why is charcoal considered a better fuel than wood? What are the disadvantages of converting wood into charcoal?

Explanation

Charcoal is considered a better fuel than wood because :
(i) It has high calorific value .
(ii) It does produce any smoke .
Disadvantages:
(i) 1 kg of wood on destructive distillation produces only 0.25 kg of charcoal making it an expensive fuel.
(ii) For production of charcoal, more trees would have to be cut down which causes deforestation and disturbs the ecological balance of the Earth.