Carbon monoxide of carbon dioxide by electromagnetic radiation of wavelengths shorter than 169 nm. Due to its long lifetime in the mid-troposphere, carbon monoxide is also used as tracer of transport for pollutant plumes. Carbon monoxide is a temporary atmospheric pollutant in some urban areas, chiefly from the exhaust of internal combustion engines (including vehicles, portable and back-up generators, lawn mowers, power washers, etc.), but also from incomplete combustion of various other fuels (including wood, coal, charcoal, oil, paraffin, propane, natural gas, and trash). Large CO pollution events can be observed from space over cities. Carbon monoxide is, along with aldehydes, part
WORX lightweight electric trimmer. Updated iterations of the WORX GT continue to be made and sold by Positec. WORX is also known for selling items like lawn mowers and chainsaws. It offers cordless electric lawn mowers that run exclusively on battery power and have zero carbon emissions. In 2014, WORX released a fully robotic lawn mower (dubbed the "WORX Landroid") that will mow the lawn, returning to a charging station if the battery begins to run low. The Worx JawSaw is a chainsaw with a partially enclosed blade that is designed for safety. Other products include leaf blowers, yard carts, and