Grain sorghum's ability to thrive in arid conditions and the Environmental Protection Agency's approval of certain pathways for sorghum-based fuel to qualify as an advanced biofuel are feeding interest in the plant among biofuel producers. The Western Plains Energy ethanol plant in Oakley, Kan., is the first producer poised to obtain Renewable Identification Numbers under the advanced biofuel pathway, but more are expected to follow, industry insiders said.

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