For decades, factories in Cleveland's Industrial Valley have sent smoke and even fire out of their smokestacks – a process known as “flaring.”
Margaret Liske from Hudson has always wondered about the smokestacks along I-77 near Cleveland.
“They belch out huge, high billows of smoke and -- at night -- fire. Why is this potential heat not somehow recycled [or] reused?”
For the answer, we asked Krishna Rao, a chemical engineer who recently retired as president of Valley View-based plastics firm, Nanofilm.