Cruz stated that the RFS itself, specifically the EPA-issued Required Volume Obligations (RVOs), limited the use of corn ethanol compared with the statutory volumes provided by the 2007 Energy Independence and Security Act.. What his victory means in the near term, though, is uncertain.Yesterday Senator Ted Cruz (R-Texas) accomplished what conventional political wisdom in Washington, DC held couldn’t be done: he won the Iowa caucus despite proposing the dismantling of the Renewable Fuel Standard (RFS) within five years. The question is, how did he do it? Cruz won 28 percent of the vote, while Donald Trump was in second with 24 percent vote and Senator Marco Rubio (R-Florida) in third with 23 percent. Rounding out the top five were Dr. Ben C...