No, they produce water and CO2. Nothing toxic, unless you don't give enough air (so obviously make sure to give enough air). This isn't some theory - right now

No, they produce water and CO2. Nothing toxic, unless you don't give enough air (so obviously make sure to give enough air). This isn't some theory - right now, today, lost of plastic is being burned, and it works just fine. They try to keep is off the radar because of misinformed people thinking it's bad.