A loophole in U.S. Customs regulations is turning into what could be a multi-billion dollar windfall for international cigarette firms with Mexican-made packs of long-time U.S. brands already ...

Traditional cigarette smokers need to reach deeper into their pockets for the most popular brands of both R.J. Reynolds Tobacco Co. and Philip Morris USA.

The cigarette tax hike, which also applies to vapor and other tobacco products, is projected to raise $800 million in additional revenue over the next two years.