Columbia Gas reminds Ohioans of the risks of carbon monoxide. The odorless, tasteless, non-corrosive gas is created when fuels, such as gasoline, wood, natural gas, propane or oil, burn incompletely. Even though natural gas does not contain carbon monoxide, it can be produced when there is not enough oxygen for fuels to burn properly. The most reliable way to detect a CO leak is to have fully f...