Wiktionary
fuelless
a. Without fuel.
Usage examples of "fuelless".
But if that bindlestiff can actually get its hands on a fuelless drive—” Hazleton stood up, kneading his hands uneasily.
He was ripping apart the one fuelless tractor which was the only remnant of the Communists, in search of ball bearings, when the cry rose up that a stranger was approaching across the fields.