<P> The twentieth century saw a rapid twenty-fold increase in the use of fossil fuels . Between 1980 and 2006 , the worldwide annual growth rate was 2 % . According to the US Energy Information Administration 's 2006 estimate , the estimated 471.8 EJ total consumption in 2004 , was divided as given in the table above , with fossil fuels supplying 86 % of the world 's energy : </P>
<P> The twentieth century saw a rapid twenty-fold increase in the use of fossil fuels . Between 1980 and 2006 , the worldwide annual growth rate was 2 % . According to the US Energy Information Administration 's 2006 estimate , the estimated 471.8 EJ total consumption in 2004 , was divided as given in the table above , with fossil fuels supplying 86 % of the world 's energy : </P>
what percentage of the world 's energy is fossil fuels
what percentage of the world 's energy is fossil fuels
86 %
86 %