<P> Most energy is used in the country of origin , since it is cheaper to transport final products than raw materials . In 2008 , the share export of the total energy production by fuel was : oil 50 % ( 1,952 / 3,941 Mt ) , gas 25 % ( 800 / 3,149 bcm ) and hard coal 14 % ( 793 / 5,845 Mt ) . </P>
<P> Most energy is used in the country of origin , since it is cheaper to transport final products than raw materials . In 2008 , the share export of the total energy production by fuel was : oil 50 % ( 1,952 / 3,941 Mt ) , gas 25 % ( 800 / 3,149 bcm ) and hard coal 14 % ( 793 / 5,845 Mt ) . </P>
where does most of earth 's energy come from
where does most of earth 's energy come from
oil
oil