... SMOKING PRODUCT No burning,no tar,no cancerous substances,no ashtrays,no horrible smells GREEN CIGARETTE,QUIT SMOKING PRODUCT1.No burning ... ,no tar,no cancerous substances,no ashtrays,no horrible smells ,no air polluting (no CO2)2.All ... burning of tobacco there are approx.40 cancerous substances)no ashtrays,no cigarette butts,no horrible smells and no air polluting ...