Energy - Other

Electricity

fossil fuel or nuclear power stations generate electricity
Electrical power is measured in Watts (one joule per second)
not very easy to store
would have trouble responding to a sudden increase in demand.

Coal

Extracted by surface or underground mining
The rock is often composed on over 50% carbon
is the dominant fuel source for generating electricity
used in steel and paper manufacturing, cement producers
There are four main types (lignite (brown coal), sub-bituminous, bituminous, anthracite)
Coal futures are one of the most commoly used derivatives for the electric power industry
There are several important benchmarks used to determine the quality of the coal

Emissions