With the 30 November deadline looming for the U.S. EPA's decision on required volume obligations and the Fed's upcoming December meeting where an interest rate hike will no doubt be discussed, there are a few updates on these two timely issues.Over the past few weeks, we’ve previewed  the upcoming biofuels mandate and what the Federal Reserve Board might do at its next meeting, both topics of interest to the markets. Following are updates on these two timely issues:Renewable Fuel Standards (RFS) – There was a last minute push to influence the U.S. EPA’s decision (see Ag Perspectives, 9 November) prior to its release of the combined 2014, 2015 and 2016 required volume obligations (RVOs) for biofuel blending and that for biodiesel in 201...