Charcoal was invented and produced Ellsworth B. A. Zwoyer of Pennsylvania in 1897. Charcoal was and is still a very good sorce of biomas power as it is small and light while still carrying lots of energy.
There are many different types of charcoal, including:
Common charcoal- it can be made from wood, coal, and coconut shells
Japanese charcoal- pyroligneous acid is removed in the making of the charcoal, therefore making the charcoal release less smoke and pollution.
To name a few.