The U.S. Energy Information Agency published its latest forecast for energy use through 2050 and it foresees no slackening in demand. Its projection for demand for petroleum and other liquid fuels only varies based on assumptions about economic growth and petroleum prices. This projection does not break out liquid fuels like biodiesel and ethanol, but presumably they are inherent in the calculations.  Vegetable oil prices have been on an even faster growth rate than overall fuel demand growth. This will continue as substitutions for petroleum particularly in the transportation sector remain high. However, not all fuel sources are being treated equally. Malaysia is currently testing the use of palm oil as a jet fuel mix at the same tim...