Automobiles create it. Any device that burns fuels like coal,gasoline,kerosene, oil or wood will produce carbon monoxide.

VOA: special.2010.02.02

Any device that burns fuels such as coal,oil or wood can create the gas.

VOA: special.2010.02.02

Judge Melvin Wright explains how the D.C.Superior Court handles this issue: "We instruct jurors that they cannot during the course of a trial use Google or Twitter or any other electronic device to obtain information.

VOA: special.2009.08.31