Colorado is set to ban vaping where smoking is already prohibited, following more than a dozen other states : r Denver Denver's flavored vape ban sends customers across city lines Flavored tobacco banned in California as Prop. 31 passes Los Angeles Times EHS students react to Denver ban on flavored vapes The Pirateer Store that sells flavored vape products in Denver on ban: "It's going to hurt us" A group of vape shop owners is backing a newly filed lawsuit challenging Denver's ban on flavored tobacco products, arguing the ordinance is unconstitutional and unfairly targets their industry. (KDVR)