G.A.S. ...?
GAS Gasoline
GAS Great American Smokeout
GAS Government Auditing Standards
GAS Germany, Austria, Switzerland (group of countries)
GAS Games And Sports
GAS Guilty As Sin :-)
GAS Growth Arrest-Specific
GAS Greetings and Salutations
GAS Glass Art Society
GAS General Adaptation Syndrome
GAS Get Away Special (Space Shuttle)
GAS Global Assessment Scale
GAS Gear Acquisition Syndrome (
mainly bass guitarists) :-)
GAS Guitar Acquisition Syndrome
GAS Genetic Algorithm Solution
GAS GPS Antenna System
GAS Government Account Series
GAS Governance Advisory Service (Australia)
GAS General Adaptive Syndrome
GAS Gong Appreciation Society
GAS Graef, Anhalt, Schloemer and Associates Inc.
GAS Gunner's Auxiliary Sight (secondary optics on an M-1 Abrams tank)
GAS Guild of All Souls
GAS German Academy of Science
GAS Gate Allocation System
GAS General Audit Software
GAS Ground Analysis Software
GAS General Air Staff
GAS Graduate Assessment Survey
GAS Geometric Analysis of Sections
GAS General Appraisal System
GAS General Automotive Support
GAS Geospatial Annotation Services
GAS Gatewick Aviation Services (Dubai, United Arab Emirates)
GAS Ground Aided Seeker
GAS Group A, B-Hemolytic Streptococci bacteria
Now I know...