In Kansas City, for, a very specific no-smoking ordinance covers only tobacco products. E-cigs although they contain nicotine are tobacco-free and arent regulated as tobacco products.
The Kansas City Star
At least not yet.
Any day now, the federal Food and Drug Administration is expected to issue a proposed rule about electronic cigarettes a ruling that could send ripples into the workplace and other public places.
Read more at the Star: http://www.kansascity.com/2014/01/08/4738011/fda-intends-to-clear-the-air-on.html