The NFTA is taking steps to eliminate the use of e-cigarettes on its buses and trains.
The use of electronic cigarettes appears to be growing - which raises the question are they safe? and should they be regulated? WBFO's Chris Caya has reaction from a researcher at Roswell Park Cancer Institute.
As smoking bans become more widespread, some cigarette smokers have turned to so-called 'electronic cigarettes.' But health experts says it's too soon to say whether e-cigarettes are safe.