Its cheap and its found everywhere
Its cheap.
Because there is a lot of it, and ways have been found to mine it economically.
coal is the fuel of choice for the electricity generation ...... ans coal is cheap also.... but let us see. according to the world's situation it may lasts for 20 years.... i think
it is cheap and readily available, new technologies have been developed to burn coal more cleanly than ever before.
coal is very cheap in stores
Starting at 3.5 cents a pond for cheap crappy coal
none , coal is made out of fossils of animals that have been stored in nature for more than thousands of years . the pressure or the forces of erosion makes the coal.
Its very cheap and we have alot of it
Its cheap and its found everywhere
coal is cheap to use, but also very dirty
Yes, it is a cheap source of very dependable energy.
Its cheap.
It is easy and cheap to mine and easy, cheap and versatile to use.
It is plentiful and cheap.
Cheap, quick, easy to use, easy to get
it is cheap, (as long as you don't mind the pollution... )