Which charcoal type emits the most carbon monoxide?

The brand of charcoal is irrelevant, carbon monoxide (CO) is generated when anything is burnt with a restricted oxygen (air) supply. A barbecue burning outdoors is unlikly to generate any carbon monoxide at all, indoors is a different story you need to ensure that there is plenty of air flow to prevent any CO production. read more

As the charcoal burns, the concentration of carbon monoxide gradually increases. Because of its toxicity (and not the exhaustion of oxygen as sometimes thought) CO concentrations of as little as one part per thousand can be fatal if inhaled over a period of two hours. read more

Carbon monoxide is an article of commerce, which means a compressed gas supplier - in the US, go to a welding supply store - can get it. It is also dangerous in many ways; Wade Schmaltz has a pretty good list of all the harm it causes. Because it is so bad, the welding supply stores know who in the area uses carbon monoxide for legitimate purposes. read more