Tom Pelton, director of communications for the nonprofit, said South Dakota's 16 biofuel plants, which mostly make ethanol from corn, produce about 1.7 million pounds of greenhouse gases each year ...

Red Trail Energy, an ethanol plant on a North Dakota carbon capture site, is one step closer to being purchased by biofuel ...

A new route map was not immediately available ... Summit’s latest South Dakota route includes 700 miles with connections to 14 ethanol plants in the eastern part of the state, one of them ...