Farmer pioneers green energy practices in Ohio

Ralph Dull pours seed corn into a heater at the Dull Homestead Farm in Brookville, Ohio Monday, April 21, 2008. Dull uses seed corn for this heater and also for heat for his corn dryers on the farm. (AP Photo/Skip Peterson)

Ralph Dull poses near the four windmills at the Dull Homestead Farm in Brookville, Ohio on Monday, April 21, 2008. Dull generates electricity for the farm with the windmills, and also generates hydrogen on the farm for use as a fuel. (AP Photo/Skip Peterson)

Ralph Dull poses near the four windmills at the Dull Homestead Farm in Brookville, Ohio on Monday, April 21, 2008. Dull generates electricity for the farm with the windmills, and also generates hydrogen on the farm for use as a fuel. (AP Photo/Skip Peterson)