FDA Warns Retailers for Selling Illegal E Cigarettes E Cigarettes, Vapes and Other Electronic Nicotine Delivery Systems (ENDS) Authorized by the FDA FDA Smokescreen: some vape firms pivot after FDA crackdown Reuters The number of different e cigarette devices sold in the U.S. has nearly tripled to over 9,000 since 2020, driven almost entirely by a wave of unauthorized disposable vapes from China, the AP found.