Meanings
autogas1
plural autogases · plural autogasses
- CanadaUScountableuncountableaeronauticsAutomotive gasoline suitable for use in piston-engined gasoline-powered aircraft.
Autogas can be obtained for a fraction of the cost of avgas, but its use is not without controversy.
2006, The AOPA pilot: voice of general aviation, volume 49, Aircraft Owners and Pilots Association2 more examples
Cylinder cracks are nothing new, however, and there is no reason to expect autogas-burning engines to have a higher incidence of head cracking than avgas-users.
1988, Kas Thomas, Fuel and oil systems: basic and advanced light plane maintenanceIn the area of autogas volatility, a Reid vapor pressure of 9.0 to 15 is very common, compared to the vapor pressure of avgas, which is 5.5 to 7.
1994, Michael J. Kroes with Thomas W. Wild, Aircraft powerplantsSynonyms: mogas
autogas2
plural autogases · plural autogasses
- AustraliaUKcountableuncountableSynonym of liquefied petroleum gas (LPG).
Petrol ... 20.3% more than autogas ... The results conclusively demonstrate the carbon benefits of autogas vehicles
2005, Cars of the Future: Seventeenth Report of Session 2003-04 (British House of Commons)2 more examples
Autogas powers more than 10 million vehicles in over 54 countries worldwide .... In terms of air-borne emissions of the principal regulated noxious gases, autogas is among the lowest emitters of all ...
2006, Class of 2006: industry report cards on environment and social responsibility (United Nations Environment Programme. Division of Technology, Industry, and Economics )Autogas is the common name for liquefied petroleum gas (LPG) when it is used as a fuel in internal combustion engines in vehicles.
2009, Frederic P Miller with Agnes F Vandome and John McBrewster, AutogasSynonyms: liquefied petroleum gas
Synonyms & antonyms
nounAutomotive gasoline suitable for use in piston-engined gasoline-powered aircraft.
nounSynonym of liquefied petroleum gas (LPG).
Origin
autogas · noun
Blend of automotive + gas (originally a trade name "Autogas", but now a common noun)
Full word history & related roots →Cite this entry
autogas. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/autogas
“autogas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/autogas. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “autogas,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/autogas.
Source: autogas on Wiktionary, CC BY-SA 4.0.