Professor Zhang pointed out that biofuels refer to fuel ethanol or biodiesel produced from biological resources. They can replace gasoline and diesel made from petroleum and are an important direction for the development and utilization of renewable energy. Affected by the shortage of oil resources in the world, environmental protection and global climate change, since the 1970s, many countries have paid more and more attention to the development of biofuels and achieved remarkable results. 
we should vigorously develop and utilize biofuels.
Biofuels need to consume a lot of water, electricity and oil in the process of production and transportation