"EU to limit production of biofuels from food crops" The Guardian

"Initially, the EU backed biofuels as a way to tackle climate change, but research has since shown that making fuel out of crops such as maize displaces other crops, forces the clearing of valuable habitats, and can inflate food prices."

http://www.theguardian.com/environment/2014/jun/13/eu-biofuels-food-crops