From Longman Dictionary of Contemporary Englishfuelfu‧el1 /ˈfjuːəl/ ●●●S3W2 noun 🔊 🔊 [countable, uncountable]HEG a substance such as coal, gas, or oil that can be burned to produce heat or energy 🔊 Coal is one of the cheapest fuels. → add fuel to the fire/flamesat add(9)COLLOCATIONSADJECTIVES/NOUN + fuela fossil fuel (=a fuel such as coal or oil, produced by the gradual decaying of plants and animals)Global warming may be caused by burning fossil fuels.nuclear fuelWhat do we do with the spent nuclear fuel?solid fuel (=a solid substance, such as coal, that is used as a fuel)The number of homes using solid fuel for heating has decreased.domestic/household fuel (=used in a house)There has been a sharp rise in domestic fuel costs.smokeless fuel (=that burns without producing smoke)The government is trying to encourage the use of environmentally-friendly smokeless fuels.unleaded fuel (=that does not contain lead)Modern cars run on unleaded fuel.a green fuel (=a fuel that harms the environment as little as possible)Are green fuels, like Biodiesel, really the solution to our fuel crisis?a clean fuel (=fuel that does not harm the environment)The proposal is to cut tax on cars that run on clean fuel.aviation fuel (=used used by planes)high-octane aviation fuelverbsuse fuelPeople need to learn how to use fuel more efficiently.run on fuel (=use fuel as the source of power)Will this engine run on unleaded fuel?run out of fuel (=use all the fuel available and have none left)The ship ran out of fuel and drifted helplessly.fill up with fuel (=put fuel in a vehicle's fuel tank)Before leaving, I filled up with fuel at the local petrol station.save fuelYou can save fuel by not driving too fast.waste fuelThe booklet gives helpful tips on how to avoid wasting fuel.fuel + NOUNfuel costs/pricesThe increase in fuel costs is severely affecting pensioners.a fuel billInsulating your house will cut your fuel bill.a fuel tank (=a container for storing fuel)The fuel tank holds 14 gallons of petrol.a fuel gauge (=an instrument for measuring fuel)I noticed the fuel gauge was on empty so I pulled into the nearest gas station.a fuel pump (=a machine that forces fuel into an engine)The car's fuel pump was leaking.fuel consumption (=amount used)Fuel consumption averages 54 miles per gallon.fuel economy/efficiency (=how well a vehicle uses fuel, without wasting any)Greater engine efficiency has led to improved fuel economy.phrasessomething is running low on fuel (=it does not have much fuel left)The plane was running low on fuel.
Examples from the Corpus
fuel• Such anaerobicrespiration is much quicker than aerobic respiration, but also much less efficient in terms of energy produced per unit of fuel.• Officials said they began pumpingfuel from the barge before noon Sunday at a rate of 240,000 gallons an hour.• The fueltank holds 14 gallons.fuelfuel2 ●○○ verb (fuelled, fuelling British English, fueled, fueling American English) 🔊 🔊 1[transitive]INCREASE IN ACTIVITY, FEELINGS ETC to make something, especially something bad, increase or become stronger syn provoke 🔊 His words fuelled her anger still more.fuel speculation/rumours/controversy etc 🔊 Progress was slow, fueling concerns that the stadium would not be finished on time.2 (also fuel up) [intransitive, transitive] if you fuel a vehicle, or if it fuels up, fuel is put into it syn fill up 🔊 We’d better fuel up at the next town. 🔊 The van was fuelled and waiting in the basement car park.→ See Verb table