Which States have Vape Bans? Here's What to Know PUFF IGNITE Supporters rally for Denver flavored tobacco ban but opponents say it won't help 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 CBS Colorado Colorado Begins State Ban On Vaping In Most Public Places KUNC Flavored tobacco ban advances with exemptions for age restricted stores, more Colorado Politics