cigarette heating device Philip Morris faces key test with US heated tobacco push IQOS in the U.S.

Theyve survived every trend cycle you can imagine. Citing generational factors as playing a role in smokings revival, Oviatt added: The dream of stability, owning a home, financial security feels increasingly out of reach

The machines became part of the sensory texture of American road travel at a moment when the interstate highway system was young and roadside businesses still had strong regional character

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It is the unit most commonly seen on retail shelves

Airlines for America, the trade group for the nations airlines, said in a statement that its members will closely review the FAA safety alert. To read more about travel, tourism and the airline industry, follow me on Twitter at @hugomartin.