Denver's flavored tobacco ban: What voters need to know before November Denver Gazette Small businesses say Denver's flavored tobacco ban is hurting their bottom line Were in the final stretch. Every single vote matters., Denver small businesses are counting on you., Drop your ballot off today and vote NO on 310. #NoOn310 #DenverVotes #keepitlocaldenver Denver Referendum 310 results: Voters approve ban on flavored tobacco 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,