Corn cobs could provide a future energy source, but farmers would have to receive a much higher price than previously thought to cover their costs and turn a profit, according to a Purdue University study.

As part of its global long-term strategy supporting the utilization of sustainable biomass feedstocks for the renewable fuels industry, John Deere, in a developmental partnership with Hillco Technologies, Inc., introduces a cob collection system for John Deere STS Combines.