In February 2011, the AP reported that the Department of Transportation "says the use of smokeless electronic cigarettes is prohibited and plans to issue an official ban." But when we asked the DOT if that official ban was ever issued, a spokesperson told us to ask the FAA
Predictably, mainstream media coverage of the FDAs decision has underplayed this, featuring no quotes from leading tobacco harm reductionists
Do Air Purifiers Actually Help With Cigarette Smoke
State Tobacco in any form, vapor products (such as e-cigarettes) and electronic nicotine delivery systems, including but not limited to any product made or derived from tobacco and intended for human consumption, or likely to be consumed, whether smoked, heated, chewed, absorbed, dissolved, inhaled or ingested by any other means, including, but not limited to, a cigar, pipe tobacco, chewing tobacco, snuff and snus, and any component or accessor thereof, including but not limited to, a filter, rolling paper or pipe
Modern smoke alarms have become increasingly sophisticated, with many now capable of distinguishing between different types of airborne particles