Global biofuel production has been increasing rapidly over the last decade, but the expanding biofuel industry has recently raised important concerns. In particular, the sustainability of many firstgeneration biofuels (primarily from food crops such as grains, sugar cane and vegetable oils) has been increasingly questioned over concerns such as reported displacement of food crops, effects on the environment and climate change.The increasing criticism of the sustainability of many first-generation biofuels has raised attention to the potential of socalled second-generation biofuels.However,...
Global biofuel production has been increasing rapidly over the last decade, but the expanding biofuel industry has recently raised important concerns....