KUOW The chase is on: Regulators are slowly cracking down on vapes aimed at teens APPROVED FLAVORED VAPES The FDA approved marketing for four flavored vapes made by the company Glas Inc. in what the agency says is an effort to tamp down on underage use FDA Authorizes 6 Vuse Alto Tobacco Flavored E Cigarettes Ecigator FDA and e cigarette makers argue before the Supreme Court over flavored vapes