EPA announced the 2013 Required Volume Obligations (RVO) under the Renewable Fuel Standard (RFS) today. The RVOs set the minimum amount of biofuels that must be blended into the retail motor fuel supply. They are:The only thing that changed from EPA's original proposed rule last year was the cellulolsic. It had initially projected cellulosic to be 14 million gallons, but it was scaled back while the overall advanced category in which cellulosic falls was not reduced. The cellulosic level was supposed to be one billion gallons this year under the applicable statute, the Energy Independence and Security Act of 2007. Additionally, under the statute:

The RVOs are to be issued by 30 November 2012. EPA was eight months late and six months i...