Mr. Patrick noted that Signal Mountain has a small sewage treatment plant. But he said that system needs some $50 million in work that he said would not involve adding a single customer.

Rocky River Wastewater Treatment Plant (RRWWTP) is serving Westlake, Bay Village and Fairview Park in addition to home-based Rocky River. Photo by Linda Gandee.

The Kobe University start-up Photo-on-Demand Chemical Co. Ltd. demonstrated that it can produce methane from sewage to refine ...