Chicago, Ill. – The U.S. Environmental Protection Agency’s (EPA) Great Lakes regional office and the U.S. Department of Energy are honoring Columbus Gas of Ohio in Merillville, Ind., as an ENERGY STAR partner.
Chicago, Ill. – The U.S. Environmental Protection Agency’s (EPA) Great Lakes regional office and the U.S. Department of Energy are honoring Columbus Gas of Ohio in Merillville, Ind., as an ENERGY STAR partner.