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

VOA: special.2010.02.02

Kerosene costs less than other forms of lighting, but it is still costly in poor countries.

VOA: special.2009.12.21

So,one year of kerosene would pay for a solid-state lighting system."

VOA: special.2009.12.21

Many families use kerosene oil lamps.

VOA: special.2009.12.21

kerosene is expensive, produce only dim light and generate polluting fumes that cause health and environmental problems.

VOA: standard.2009.12.13

He adds that's about the same as the cost of kerosene for a year.

VOA: standard.2009.12.13

I read under the dim light of a kerosene lamp.

VOA: standard.2010.04.01