page_title: Vapor recovery
hierarchical_section_title: Vapor recovery
caption_attribution_description: English: Gas nozzle with vapor recovery
context_page_description: Vapor recovery is the process of recovering the vapors of gasoline or other fuels, so that they do not escape into the atmosphere. This is often done at filling stations, in order to reduce noxious and potentially explosive fumes and pollution.
  The negative pressure created in the storage tank by the withdrawal, combined with the pressure in the car's fuel tank caused by the fuel flow into the tank, is usually used to pull in the vapors. They are drawn-in through holes in the side of the nozzle and travel through special hoses which have a return path.
context_section_description: Vapor (or vapour) recovery is the process of recovering the vapors of gasoline or other fuels, so that they do not escape into the atmosphere. This is often done (or required by law) at filling stations, in order to reduce noxious and potentially explosive fumes and pollution.  
  The negative pressure created in the (underground) storage tank by the withdrawal, combined with the pressure in the car's fuel tank caused by the fuel flow into the tank, is usually used to pull in the vapors. They are drawn-in through holes in the side of the nozzle and travel through special hoses which have a return path.
caption: Gas nozzle with vapor recovery
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