Crossword clues for It's a gas 7 letters:BALLASTGas balloon supplyNATURAL___ gas.CARPOOLGas-saving arrangementPROPENEGas from petroleum refining.REGULARGas-pump wordOCTANESGas numbersAIRTRAPSewer pipe that prevents gas from escapingMETHANESwamp gas, mostlyREGULARGas-pump orderPROPANEType of gas.EXHAUSTGas from a pipeAIRPUMPGas station convenienceOXIDATECombine with a certain gas.AERATEDCharged with gas.AERATEDCharged with gas, usually carbon dioxide.METHANEDangerous mine gas.OCTANESGas-station numbersNATURALWord before gas or disasterSTATIONWord with gas or powerTANKFULGas amountSIPHONSGets gas, in a bad wayMETHANEMarsh gas, mostlyCARFAQSReferences with entries like "Which side is the gas tank on?" and "How do I disable the child lock?"?ALCOHOLGas stretcherSTALLEDOut of gas.NITROUS__ oxide (laughing gas)UTILITYCompany providing gas, electricity, etc.DIOXIDECarbon ___ (greenhouse gas)METHANEGreenhouse gas produced by cowsMETHANEGas found around marshesTANKCARGas transportETHANESCompounds occurring in natural gas.SIPHONSDraws, as gasPROPENEColorless gas.UTILITYGas, for oneSTEEPLYHow gas prices sometimes riseGRENADEIt may contain tear gasPROPANEGas in a cylinderAMMONIAPungent liquid or gasMUSTARDKind of gasPROPANEA flammable gasONEMPTYRunning out of gasROADMAPItem in a gas station kioskUTILITYGas, e.g.PREMIUMGas gradeKRYPTONNoble gas after argonNITROUSLaughing gas, familiarlyMETHANENatural gas constituentUTILITYGas or waterFREEAIRGas-station sign, of old