“It is really quite impressive! So much work is being done for energy efficiency in Decorah and surrounding areas,” observed visiting energy consultant, Warren Gaskill with EnergyStewards.net. Over 55 businesses in Decorah and Winneshiek County have signed up for the Green Business Challenge since July of this year. Those businesses have tracked their energy and entered their energy data into the Energystar.gov national data base where businesses of similar size