U.S. regulators are stepping up enforcement against unauthorized products, especially imports from China. Only about 41 vape products are currently authorized for legal sale in the U.S. FDA's Searchable Tobacco Products Database Michigan's Proposed Vape Ban: What's On The Horizon For 2025? Law Enforcement Unit Formed to Crack Down on Illegal E Cigarettes The New York Times Puff Bars Disposable Vapes Exploit US Flavor Ban Loophole Bloomberg Supreme Court upholds FDA decision banning flavored vapes POLITICO