The EPA finalized the Renewable Fuel Standard program (RFS2) 2012 percentage standards for four fuel categories as part of the annual renewable fuel volume targets intended to achieve an overall level of 36 billion gallons in 2022. The 2012 overall volumes and standards are: biomass-based diesel (1.0 billion gallons; 0.91 percent); advanced biofuels (2.0 billion....Please contiune reading at: http://www.environmentalleader.com/2011/12/28/policy-enforcement-briefing-rfs2-2012-keystone-xl-solarworld-aviation-carbon-tax/