Renewable Identification Numbers (RINs) for conventional ethanol have been on a crazy bullish ride, going from 5 cents in December to 45 cents in February. They have now peaked above $1.05. That's a valuable market given the 13.8 billion gallons of conventional ethanol mandated under the proposed 2013 Renewable Fuel Standard (RFS).RINs are the 38-digit tracking mechanism for ethanol compliance. A RIN is generated when ethanol is produced, but it can be separated by the obligated parties (refiners and blenders) and sold on a secondary market to meet compliance with ethanol blending requirements even when physical ethanol is short. In any given year, 20 percent of RINs can be carried forward for future year compliance.So, that brings us to...