LINCOLN, Neb. (AP) -- Valero Energy has again stopped production at its ethanol plant in Albion in eastern Nebraska.

The Lincoln Journal Star (http://bit.ly/Rsfoyn ) says company spokesman Bill Day says the plant was idled recently because low margins mean it can't make ethanol profitably right now.

The company originally shut the plant down in June because of high corn prices. It restarted the plant in mid-September after corn prices fell from all-time highs. Corn prices are about the same right now, but Day says margins haven't improved. Falling gasoline prices and falling demand could also be a factor.

Day says Valero plans to restart the Albion plant when margins improve.

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Information from: Lincoln Journal Star, http://www.journalstar.com

Copyright 2012 The AP.