Kerosene
tweaking lead; this is repleated, verbatim and with the same reference, in the section below, where it belongs; the lede should summarize. Adding picture of kerosene "gas" pump.
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The [[World Health Organization]] considers kerosene to be a polluting fuel, as kerosene smoke contains high levels of harmful [[Particulates|particulate matter]]. |
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The [[World Health Organization]] considers kerosene to be a polluting fuel and recommends that "governments and practitioners immediately stop promoting its household use".{{Cite book |last=World Health Organization |url=https://www.who.int/airpollution/publications/burning-opportunities/en/ |archive-url=https://web.archive.org/web/20171124101534/http://www.who.int/airpollution/publications/burning-opportunities/en/ |archive-date=24 November 2017 |title=Burning opportunity: clean household energy for health, sustainable development, and wellbeing of women and children |year=2016 |location=Geneva, Switzerland|page=X}} Kerosene smoke contains high levels of harmful [[Particulates|particulate matter]], and household use of kerosene is associated with higher risks of [[cancer]], respiratory infections, [[asthma]], [[tuberculosis]], [[cataract]]s, and adverse pregnancy outcomes.{{Cite book |last=World Health Organization |url=https://www.who.int/airpollution/publications/burning-opportunities/en/ |archive-url=https://web.archive.org/web/20171124101534/http://www.who.int/airpollution/publications/burning-opportunities/en/ |archive-date=24 November 2017 |title=Burning opportunity: clean household energy for health, sustainable development, and wellbeing of women and children |year=2016 |location=Geneva, Switzerland |page=49}} |
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== Properties and grades == |
== Properties and grades == |
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==== Engines ==== |
==== Engines ==== |
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[[File:Michele's Convenient Foods K-1 kerosene pump.jpg|thumb|right|Fuel pump for kerosene at an abandoned gas station]] |
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In the early to mid-20th century, kerosene or [[tractor vaporizing oil]] was used as a cheap fuel for [[tractor]]s and [[hit-and-miss engine]]s. A [[petrol-paraffin engine]] would start on gasoline, then switch over to kerosene once the engine warmed up. On some engines, a heat valve on the manifold would route the exhaust gasses around the intake pipe, heating the kerosene to the point where it was vaporized and could be ignited by an [[electric spark]]. |
In the early to mid-20th century, kerosene or [[tractor vaporizing oil]] was used as a cheap fuel for [[tractor]]s and [[hit-and-miss engine]]s. A [[petrol-paraffin engine]] would start on gasoline, then switch over to kerosene once the engine warmed up. On some engines, a heat valve on the manifold would route the exhaust gasses around the intake pipe, heating the kerosene to the point where it was vaporized and could be ignited by an [[electric spark]]. |
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