Bangkok Post: Supplying the world’s growing energy needs while at the same time improving food security for the poor and needy is no easy task. And if it can be done, it will probably involve developing new energy sources to replace fossil fuels while addressing the spiralling cost of food. This seems to be the case for biofuels, which are being promoted in many countries, including Thailand, to reduce CO2 emissions and help in energy security. However, if more arable land is used to …