Battling unregulated vapes, Big Tobacco tries a new strategy: joining in Reuters BAT's R&D Centre: Tech Meets Tobacco With Vaping, Tobacco Heating Products Business Insider British American Tobacco Vape Brands British American Tobacco's Vuse Becomes Second E Cig to Seek FDA Approval British American Tobacco Brands & Innovation British American Tobacco Vape Brands BAT to Miss Vaping Goal as Big Tobacco Faces More Uncertain