Denver ban on flavored nicotine products goes into effect with new year EHS students react to Denver ban on flavored vapes The Pirateer 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) The people who want to un ban flavored tobacco in Denver just submitted enough signatures to put it back on the ballot Flavored vaping and tobacco ban proposal for Multnomah County meets impassioned opposition and support oregonlive.com Denver's flavor ban begins in January. These businesses say they may leave