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, Petition Vote No on the Denver flavor vape ban Denver, United States Change.org As Denver's flavored tobacco ban takes effect, retailers face fines, inspections Colorado Politics Denver's flavored vape ban sends customers across city lines CBS Colorado Colorado flavor vape ban fails again China Vape Factory