HARI SREENIVASAN: Even with advances in technology, farmers are continuing to look for ways to cut energy costs. Fuel and electricity are the main big-ticket items, but there are others.
From Harvest Public Media in Nebraska, Grant Gerlock looks at some of the many ways farmers are trying to keep fossil fuel usage down in the cornfield.
Watch the broadcast here.
Photo: Greg Brummond in Craig, Nebraska now powers half his corn and soybean farm with solar energy. Credit: Brian Seifferlein, Harvest Public Media