Tennessee lawmakers vote to ban retail nitrous oxide 'whippets,' impose felony penalties 2FIRSTS Tennessee Cracks Down on Vaping: 10 % Tax Hike, Expanded Enforcement Powers, Mandatory ID Checks at Every Retail Counter Tennessee Senators approved a bill Monday that would impose a tax of up to 10% on vape products a higher rate than tobacco and effectively ban the sale of many Vape store owners are "mad as hell" about a bill seeking to create a 10% tax on open system vapes and effectively bar sale of many vapor products in Tennessee. The legislation