CU Cancer Center Leaders Applaud Denver's Ban on Flavored Tobacco Sales As Denver's flavored tobacco ban takes effect, retailers face fines, inspections Colorado Politics In what is being called one of the city's most expensive races on this year's ballot, Denver voters are leaning heavily toward keeping the city's ban on the sale of flavored tobacco, Denver's Flavored Tobacco Ban: Stock Up Before It's Too Late Vaping Land Denver vape shop owners say flavor ban has knocked out 70% of sales 9news.com California's Ban on Flavored Tobacco Upheld by US Supreme Court KQED