The Green Smoke electronic cigarette delivers only the nicotine. No carcinogens... No tar... No carbon monoxide. Feel refreshed yet? You should because the "Green" in Green Smoke means that the nicotine is delivered in a completely clean and odorless vapor. That's because Green Smoke doesn't burn the nicotine like yesterday's cigarettes... instead it vapori ...zes it.Green Smoke is not only easy on your lungs, but also easy on your wallet. In fact, Green smoking will save you up to 75% on your cigarette expenses.