Crossword clues for It's a gas 7 letters:PROPANEGas grill gasMETHANEMarsh gas constituentGALLONSGas-tank statAERATESTreats with carbonic acid gas.PROPANEA flammable gasMUSTARDKind of gasMETHANESwamp gas, essentiallyNITROUSLaughing gas, familiarlyOCTANESGas-pump numbersMETHANEA greenhouse gasMETEREDLike household gas or waterPROPANEFuel gasPROPANETank gasRIPENEREthylene gas, agriculturallyNATURAL__ gasTANKCARGas transportONEMPTYAfraid of running out, gas gauge-wiseRIOTGUNTear gas weaponSPEEDUPHit the gasUTILITYGas or waterCARWASHFrequent gas-station adjunctPROPANEGas used in some stovesSTALLEDOut of gas.METHANEDangerous mine gas.METHANEMarsh gasUTILITYGas or electric companyCARPOOLGas-saving arrangementFLOORITStep on the gas!METHANEMarsh gas, essentiallyENGINESGas guzzlersAERATESCharges with gas.METHANEPolluting gasFILLSUPGets gasEXHAUSTGas from a pipeNEBULAEInterstellar gas cloudsSPEEDUPStep on the gasINDUCERDraft __ motor: gas furnace componentREGULARLike some verbs and gasMETHANESwamp gas, mostlyFLOORITGas use exhortation?REFUELSFills the gas tank againMETHANEA natural gasROADMAPBygone gas-station freebieADCREEPPitches at gas pumps, e.g.FILLSUPGets gas for the carUTILITYGas company, e.g.AERATORGas infuser.PROPANEType of gas.METHANEMarsh gas, mostlyPENTANEBottled gas