Dear Nancy
Dioxins are produced from CHO but those with chlorine are better known (infamous). Agricultural wastes, often discussed as having big potential as a cooking fuel, have far more chlorine in them than wood. No doubt the subject should be followed closely as a move from low temperature wood burning to high temperature burning of 'grasses' will produce a lot more dioxin. See http://en.wikipedia.org/wiki/Polychlorinated_dibenzodioxins which refers to, 'the incineration of chlorine-containing substances.' Regards Crispin On one of your other interest, do you have any figures comparing the amount of toxic chemicals (ie dioxins) produced in a "regular" cook fire and one of the smokeless cookers? Nancy
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