Dictionary

autogas en · NOUN · etymology 1

Blend of automotive + gas.

(Canada, US, countable, uncountable) Automotive gasoline suitable for use in piston-engined gasoline-powered aircraft.
- In 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 powerplants:
- 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 maintenance:
- 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 Association:

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autogasses	Number=Plur		lexicographic
autogases	Number=Plur		lexicographic

Blend of automotive + gas (originally a trade name "Autogas", but now a common noun)

(Australia, UK, countable, uncountable) Synonym 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):
- 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, Autogas:
- 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 ):

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autogases	Number=Plur		lexicographic
autogasses	Number=Plur		lexicographic