Agence France-Presse: The European Union remains far from agreeing on how to tighten its rules for using biofuels, diplomats said Wednesday amid growing opposition towards such forms of energy. The EU committed last year to ramp up its use of biofuels in the coming years but has since had to consider ways to ensure their use does not have unintended consequences such as environmental damage and higher food prices. In a first discussion at the ambassador level, EU states were only “close to a …