Garry Neeley of St. Ansgar is a dealer for LDJ A-Maize-Ing Heat biomass furnaces and boilers. He uses this 1,000 BTU furnace with 14-bushel hopper to heat his shop area. (Press-News photo by Mary ...

PINE ISLAND, Minn. -- The demand for corn-burning furnaces keeps Ken Markham in running shoes. Markham, who owns Zumbro Ag, Ranch and Pet in Pine Island, added more hours to his daily routine Oct. 1, ...