WFuel
WAlternative fuel
WAluminium-based nanogalvanic alloys
WAluminum based nanogalvanic alloys
WBinchōtan
WBiofuel
WBiohydrogen
WBioliquids
WCharcoal
WCharcoal lighter fluid
WClean fuel
WCoal
WCoalite
WCoke (fuel)
WCow dung
WDi-tert-butyl peroxide
WDiethyl ether
WDry dung fuel
WEnergy efficiency in transport
WEnergy supply
WFilling station
WFirewood
WFlammable liquid
WFuel polishing
WGas flare
WGreen wood
WHexamine fuel tablet
WHFRR
WLow-carbon fuel standard
WMethane
WMultifuel
WNitroethane
WOtto fuel II
WOxyhydrogen
WSmokeless fuel
WSterno
WTire-derived fuel
WUnderground storage tank
WWater splitting