In the heavily populated areas and areas of heavy industry
The coal is used mostly to generate electricity.
Coal makes the most electricity - 49 percent in the US
It is used to make electricity.
Telephone & Electricity
London
Oil is now used the most
Coal is the most used source for electricity in the US. World wide, other countries, I don't know.
Electricity
electricity
They are used to run most of the power plantsthat generate electricity.
Production of electricity and heat.
Electricity and oil. :)