Original sentence: Dioxin emissions are possible from plasma arcs when chlorine is present.Electric arc.In 2004, the city of Honolulu considered a plasma arc/torch proposal for processing municipal solid waste.It is unclear that these plants actually work.Lucie County, Florida.Plasma arc waste disposal is a method of waste management which uses the extreme high temperature created by a plasma torch (or arc), to break down waste into steam and gas used for power generation, and hard solid rock-like waste (slag) which can be used in construction.The city's Department of Environmental Services evaluated the plasma process and found that using plasma arc/torch technology would significantly boost waste disposal costs without offering any environmental advantages to justify the cost.There is a history of dishonesty regarding plasma arc technology, specifically in proposals in Sierra Vista, SV and Cochise County, AZ.This technology has been used primarily to treat industrial, military, and medical wastes.Two similar but smaller plants are in operation in the world, both located in Japan, and two similar facilities run by different companies in Australia and Germany closed after failing to meet emissions standards
Edited sentence: Lucie County, Florida, although the technology has been tested elsewhere as well.Plasma arc.Plasma arc waste disposal is a method of waste management which uses the extreme high temperature created by a plasma torch (or arc), to break down waste into steam and gas used for power generation, and hard solid waste left over which can be used in construction.Two similar but smaller plants are in operation in the world, both located in Japan