 Gevo Inc NASDAQ:GEVO has announced that its Northwest Iowa Renewable Natural Gas RNG project, Gevo NW Iowa RNG, LLC, has obtained the approval of the Environmental Protection Agency EPA to participate in the Renewable Fuel Standard RFS program ahead of schedule. The work we are doing at the Northwest Iowa RNG operations is critical to Gevos work in the reduction of the carbon intensity of fuels, Gevo president and chief operating officer COO Dr Chris Ryan said in a statement. 