Energy forecasting, trend reports by a team of experts in energy, ExxonMobil that despite advances in energy efficiency, but an increase in population and economic expansion will result in demand. The overall energy of the world's highest. Demand for energy in all its forms, is on the rise in the average rate of 0.9% per year, but in 2010 until 2038 biofuels will grow significantly as well. In the year 2040, the energy of these, representing 4% of global energy demand [1]