The President's comments about natural gas vehicles raise the question of whether the renewable fuel standard (RFS) will inch toward an alternative fuel standard as it was originally proposed by the Bush administration in 2007.Some among the chattering class have made note that the President did not say the words ethanol, biofuel, or renewable energy in his State of the Union (SOTU) speech, although he did mention solar. What could he say? That his EPA has proposed a reduction in biofuels because of blend wall issues? However, it is not so much what the President didn't say, but what he did say in the context of his other State of the Union addresses. He's always been bullish on renewable energy, but this year he actually talked about repla...