The 'blendwall' is the point at which the maximum amount of ethanol can safely be blended into the fuel supply.&nbsp; Refiners welcome the pull back by the EPA that avoids reaching this maximum level, but what prevents it from mandating a level that breaches this maximum in the future?&nbsp; Get the details:&nbsp; <a href="http://dailycaller.com/2013/11/15/epa-scales-back-ethanol-mandate/">dailycaller.com/2013/11/15/epa-scales-back-ethanol-mandate/</a><br />