... Cruz is one of just two candidates who doesn't support the RFS (the other is Sen. Rand Paul, R-Kentucky, who similarly wants to lift other regulations that suppress ethanol use to offset eliminating the mandate) and he's taken plenty of fire for it from a group dedicated to promoting renewable fuels. But he's sticking to his guns, and on Wednesday tried to go on the offensive with his message. "Just yesterday, Donald Trump promised not only to protect the ethanol mandate but to expand it to have the federal government do even more picking winners and losers by mandating...