Kansas-based Flint Hills Re­­sources, which operates four corn-based ethanol plants in Iowa, is a strong believer in the renewable fuels business and sees continued long-term growth, a company executive said last week.

"We really see ethanol as a great way to create value," said Sheryl Corrigan, senior vice president of environment, health and safety for Flint Hills. "We really see it as a product that makes people’s lives better, and we are making in­­vestments in our plants. We really believe it’s a...