How to Refill a Disposable Vape Safely (Step by Step Guide) 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. Some Disposable E Cigarettes Are More Toxic Than Traditional Cigarettes, Study Finds Global Vape Regulation Is Splitting In Two Directions As UK Tightens R cometovape