Petrox
Encyclopedia
Petrox was a detergent
additive used from 1954 to 1989 by Texaco
, in its premium-grade "Sky Chief" gasoline
. A new plant in Port Arthur, Texas
was built to manufacture Petrox. Petrox continued to be used in Texaco's highest-octane gasoline for more than 30 years even after its leaded "Sky Chief" grade was replaced in 1981 by "Super Lead-free Sky Chief", which was renamed "Texaco Super Unleaded" in 1982.
Due to Petrox lowering the octane
of the fuel
, it was replaced by "System 3" in 1989, which in turn was succeeded by "Clean System 3" fuels in 1994.
Detergent
A detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutions." In common usage, "detergent" refers to alkylbenzenesulfonates, a family of compounds that are similar to soap but are less affected by hard water...
additive used from 1954 to 1989 by Texaco
Texaco
Texaco is the name of an American oil retail brand. Its flagship product is its fuel "Texaco with Techron". It also owns the Havoline motor oil brand....
, in its premium-grade "Sky Chief" gasoline
Gasoline
Gasoline , or petrol , is a toxic, translucent, petroleum-derived liquid that is primarily used as a fuel in internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. Some gasolines also contain...
. A new plant in Port Arthur, Texas
Port Arthur, Texas
-Demographics:As of the 2000 census, there were 57,755 people, 21,839 households, and 14,675 families residing in the city. The population density was 696.5 people per square mile . There were 24,713 housing units at an average density of 298.0 per square mile...
was built to manufacture Petrox. Petrox continued to be used in Texaco's highest-octane gasoline for more than 30 years even after its leaded "Sky Chief" grade was replaced in 1981 by "Super Lead-free Sky Chief", which was renamed "Texaco Super Unleaded" in 1982.
Due to Petrox lowering the octane
Octane
Octane is a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH36CH3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain...
of the fuel
Fuel
Fuel is any material that stores energy that can later be extracted to perform mechanical work in a controlled manner. Most fuels used by humans undergo combustion, a redox reaction in which a combustible substance releases energy after it ignites and reacts with the oxygen in the air...
, it was replaced by "System 3" in 1989, which in turn was succeeded by "Clean System 3" fuels in 1994.