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1. Something consumed to produce energy, especially:
a. A material such as wood, coal, gas, or oil burned to produce heat or power.
b. Fissionable material used in a nuclear reactor.
c. Nutritive material metabolized by a living organism; food.
2. Something that maintains or stimulates an activity or emotion: "Money is the fuel of a volunteer organization" (Natalie de Combray).
v. fu·eled, fu·el·ing, fu·els also fu·elled or fu·el·ling
1. To provide with fuel.
2. To support or stimulate the activity or existence of: rhetoric that fueled the dissenters.
To take in fuel.

[Middle English feuel, from Old French fouaille, feuaile, from Vulgar Latin *focālia, neuter pl. of *focālis, of the hearth or fireplace, from Latin focus, hearth, fireplace.]

fu′el·er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.fueled - heated, driven, or produced by burning fuel
unfueled - not provided with fuel
References in periodicals archive ?
The Ford FCV runs on a Ballard 902 series fuel cell stack that's fueled with 5,000 pounds per square inch of compressed hydrogen.
Fuel cells make sense and are environmentally positive if fueled by solar or wind generated hydrogen, for example, but make little sense if fueled by LP, coal gas or other fossil fuel hydrocarbons.
She also says that prototypes of catalytic steam reforming systems that are fueled with peanut shells are now undergoing field tests.
The promise these cars hold--to be both environmentally friendly and technically superior--has fueled an international race to get a fuel cell car to market.