gasoline or natural gas

FUEL
WordClue
MOONonly natural satellite of Earth
WIREbarbed or chicken
AGENTinsurance or travel
BRANDAudi or Porsche
COURTappellate or supreme
DANCEtango or flamenco
FLUIDwater or petroleum
MOTORdiesel or stepping
ORDERfungus or stop-loss
PARTYRepublican or Conservative
POWERsolar or of will
RIVERnatural watercourse
DIMPLEsmall natural indentation in the flesh
NUMBERprime or natural
TALENTmarked natural ability or skill
HISTORYancient or natural
FOUNTAINnatural source of water
RESOURCEnatural or monetary
ATTRITIONnatural wastage
WILDERNESSundisturbed natural environment
FUELgasoline
ACIDgastric or citric