There is nothing noxious about this whatsoever
Rep. Duncan Hunter (R-Calif.) smoked a vaporizer while defending the use of them on airplanes during a Committee on Transportation and Infrastructure meeting Feb. 11. (Committee on Transportation and Infrastructure)
“So this is called a vaporizer,” Hunter said . “There’s no combustion, there are no carcinogens … there is no burning, there is nothing noxious about this whatsoever.”
Read the related stories from the Washington Post and CNN
https://www.washingtonpost.com/news/the-fix/wp/2016/02/11/this-congressman-just-vaped-in-front-of-congress-to-prove-a-point-video/
http://www.cnn.com/2016/02/11/politics/duncan-hunter-vaping-congressman-plane-amendment/