Answer: fuel

AnswerCrossword Clue
FUELWhat a Tesla doesn't need
FUELPetroleum or propane
FUELFeed
FUELGas or oil
FUELGas pump commodity
FUELPropellant
FUELDiesel, e.g.
FUELMajor expense for an airline
FUELEnergy source
FUELFodder for the fire
FUELNatural gas, for one
FUELNatural gas, e.g.
FUELCoal or gas
FUELBarbecue requisite
FUELGas, oil et al.
FUELWood, at times
FUELImpetus
FUELPumped product
FUELGasoline, e.g.
FUELHeating oil, e.g.
fuelsomething, as coal, oil, etc., that can be burned to create heat or power
FUELTank contents
FUELGas
FUELNutritive material
FUELEngine's must-have
FUELStoker's supply
FUELStoke
FUELCombustion necessity
FUELTanker cargo
FUELGas, e.g.
FUELOil, e.g.
FUELIt may be a gas
FUELCoke, e.g.
FUELBriquettes, e.g.
FUELPropane, for some buses
FUELOil or gas
FUELIt keeps the Tempo going
FUELGasohol, for example
FUELSustenance
FUELTaurus tankful