Spotted in the Universal Crossword crossword on March 8, 2020, the clue "18-wheeler fuel" has 74 possible answers in our records. Our top pick is DIESEL (6 letters) — it matches with 99% certainty. This score reflects how consistently this answer appears across different crossword puzzles for the same clue.
Answer For 18-wheeler fuel:
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74 Other Potential Answers
Rank
Answer
Length
Source
Date
99%
DIESEL
18-wheeler fuel
(6)
Universal Crossword
Mar 8, 2020
99%
DIESEL
18-wheeler fuel
Universal Crossword · Mar 8, 2020
8%
ESSO
Canadian fuel giant
(4)
LA Times Daily Crossword
Sep 20, 2026
8%
ESSO
Canadian fuel giant
LA Times Daily Crossword · Sep 20, 2026
8%
RIG
18-wheeler
(3)
LA Times Daily Crossword
May 29, 2026
8%
RIG
18-wheeler
LA Times Daily Crossword · May 29, 2026
8%
ADD
___ fuel to the fire
(3)
Universal Crossword
Feb 16, 2026
8%
ADD
___ fuel to the fire
Universal Crossword · Feb 16, 2026
8%
NITRO
Drag race fuel
(5)
Universal Crossword
Jan 27, 2026
8%
NITRO
Drag race fuel
Universal Crossword · Jan 27, 2026
8%
GAS
Liquid fuel, despite its name
(3)
Universal Crossword
Jan 22, 2026
8%
GAS
Liquid fuel, despite its name
Universal Crossword · Jan 22, 2026
8%
PRONE
***Gas grill fuel
(5)
Universal Crossword
Nov 6, 2025
8%
PRONE
***Gas grill fuel
Universal Crossword · Nov 6, 2025
8%
COAL
Shoveled fuel
(4)
Universal Crossword
Sep 30, 2025
8%
COAL
Shoveled fuel
Universal Crossword · Sep 30, 2025
8%
NAPALM
Flamethrower fuel
(6)
Universal Crossword
Sep 13, 2025
8%
NAPALM
Flamethrower fuel
Universal Crossword · Sep 13, 2025
8%
STOKES
Adds fuel to
(6)
LA Times Daily Crossword
Sep 3, 2025
8%
STOKES
Adds fuel to
LA Times Daily Crossword · Sep 3, 2025
8%
SEMI
18-wheeler
(4)
Universal Crossword
Sep 1, 2025
8%
SEMI
18-wheeler
Universal Crossword · Sep 1, 2025
8%
GASUP
Add fuel to the tank
(5)
Universal Crossword
Aug 28, 2025
8%
GASUP
Add fuel to the tank
Universal Crossword · Aug 28, 2025
8%
BIOMASS
Organic matter used as fuel
(7)
Universal Crossword
Jul 5, 2025
8%
BIOMASS
Organic matter used as fuel
Universal Crossword · Jul 5, 2025
8%
SUNOCO
Travel plaza fuel supplier
(6)
LA Times Daily Crossword
May 4, 2025
8%
SUNOCO
Travel plaza fuel supplier
LA Times Daily Crossword · May 4, 2025
8%
LOG
Piece of fireplace fuel
(3)
Universal Crossword
May 3, 2025
8%
LOG
Piece of fireplace fuel
Universal Crossword · May 3, 2025
8%
HORRORS
Pieces of nightmare fuel
(7)
Universal Crossword
May 3, 2025
8%
HORRORS
Pieces of nightmare fuel
Universal Crossword · May 3, 2025
8%
WOOD
Fireplace fuel
(4)
Eugene Sheffer Crossword
Apr 11, 2025
8%
WOOD
Fireplace fuel
Eugene Sheffer Crossword · Apr 11, 2025
8%
OUTOFGAS
Needing a fuel fill-up
(8)
Premier Sunday Crossword
Mar 9, 2025
8%
OUTOFGAS
Needing a fuel fill-up
Premier Sunday Crossword · Mar 9, 2025
8%
KEROSENE
Lantern fuel
(8)
Eugene Sheffer Crossword
Mar 6, 2025
8%
KEROSENE
Lantern fuel
Eugene Sheffer Crossword · Mar 6, 2025
8%
LOGS
Fireplace fuel
(4)
LA Times Daily Crossword
Jan 29, 2025
8%
LOGS
Fireplace fuel
LA Times Daily Crossword · Jan 29, 2025
8%
CARB
Bit of fuel for a runner, informally
(4)
Universal Crossword
Jan 21, 2025
8%
CARB
Bit of fuel for a runner, informally
Universal Crossword · Jan 21, 2025
8%
STP
Racecar fuel additive
(3)
Premier Sunday Crossword
Dec 15, 2024
8%
STP
Racecar fuel additive
Premier Sunday Crossword · Dec 15, 2024
8%
COALS
BBQ fuel
(5)
Eugene Sheffer Crossword
Oct 2, 2024
8%
COALS
BBQ fuel
Eugene Sheffer Crossword · Oct 2, 2024
8%
INTAKEIFOLDS
They deliver fuel and air from carburetors to cylinders
(12)
Premier Sunday Crossword
Jun 30, 2024
8%
INTAKEIFOLDS
They deliver fuel and air from carburetors to cylinders
Premier Sunday Crossword · Jun 30, 2024
8%
COALER
Fossil fuel freighter
(6)
Universal Crossword
Jun 8, 2024
8%
COALER
Fossil fuel freighter
Universal Crossword · Jun 8, 2024
8%
PEAT
Bog fuel
(4)
Universal Crossword
Mar 7, 2024
8%
PEAT
Bog fuel
Universal Crossword · Mar 7, 2024
8%
STERNO
Fondue fuel
(6)
LA Times Daily Crossword
Jan 23, 2024
8%
STERNO
Fondue fuel
LA Times Daily Crossword · Jan 23, 2024
8%
GASGAUGE
Dashboard fuel indicator
(8)
Premier Sunday Crossword
Nov 19, 2023
8%
GASGAUGE
Dashboard fuel indicator
Premier Sunday Crossword · Nov 19, 2023
8%
DIESELOIL
Big rig fuel
(9)
Universal Crossword
Oct 8, 2023
8%
DIESELOIL
Big rig fuel
Universal Crossword · Oct 8, 2023
8%
PROPANE
Grilling fuel
(7)
Universal Crossword
Aug 1, 2023
8%
PROPANE
Grilling fuel
Universal Crossword · Aug 1, 2023
8%
NATURALGAS
Type of fossil fuel
(10)
Universal Crossword
Aug 1, 2023
8%
NATURALGAS
Type of fossil fuel
Universal Crossword · Aug 1, 2023
8%
PUMPEDGAS
Furnished fuel (... the first 3 letters + the last 2)
(9)
Universal Crossword
Jun 8, 2023
8%
PUMPEDGAS
Furnished fuel (... the first 3 letters + the last 2)
Universal Crossword · Jun 8, 2023
8%
HAY
Mule's fuel
(3)
Universal Crossword
Apr 28, 2023
8%
HAY
Mule's fuel
Universal Crossword · Apr 28, 2023
8%
MESQUITE
Barbecue fuel
(8)
Eugene Sheffer Crossword
Jan 5, 2023
8%
MESQUITE
Barbecue fuel
Eugene Sheffer Crossword · Jan 5, 2023
8%
GASMAIN
Pilot's fuel source?
(7)
Universal Crossword
Jul 27, 2022
8%
GASMAIN
Pilot's fuel source?
Universal Crossword · Jul 27, 2022
8%
GASOLINE
Car fuel
(8)
Premier Sunday Crossword
Jun 19, 2022
8%
GASOLINE
Car fuel
Premier Sunday Crossword · Jun 19, 2022
8%
NITIO
Drag racerÕs fuel, briefly
(5)
LA Times Daily Crossword
Feb 6, 2022
8%
NITIO
Drag racerÕs fuel, briefly
LA Times Daily Crossword · Feb 6, 2022
8%
COKE
Smelting fuel
(4)
LA Times Daily Crossword
Dec 24, 2021
8%
COKE
Smelting fuel
LA Times Daily Crossword · Dec 24, 2021
8%
STOKE
Add fuel to
(5)
Premier Sunday Crossword
Dec 12, 2021
8%
STOKE
Add fuel to
Premier Sunday Crossword · Dec 12, 2021
8%
BUTANE
Lighter fuel
(6)
Universal Crossword
Nov 15, 2021
8%
BUTANE
Lighter fuel
Universal Crossword · Nov 15, 2021
8%
COALMINES
Fossil fuel sources
(9)
Thomas Joseph Crossword
Nov 10, 2021
8%
COALMINES
Fossil fuel sources
Thomas Joseph Crossword · Nov 10, 2021
8%
PEATBOG
Organic fuel source
(7)
LA Times Daily Crossword
Oct 16, 2021
8%
PEATBOG
Organic fuel source
LA Times Daily Crossword · Oct 16, 2021
8%
CRYINACOALMINE
Weep while excavating fossil fuel? [Ortiz]
(14)
Premier Sunday Crossword
Sep 5, 2021
8%
CRYINACOALMINE
Weep while excavating fossil fuel? [Ortiz]
Premier Sunday Crossword · Sep 5, 2021
8%
GASTAPS
Certain fuel valves
(7)
Universal Crossword
Aug 28, 2021
8%
GASTAPS
Certain fuel valves
Universal Crossword · Aug 28, 2021
8%
CHARCOAL
Barbecue fuel
(8)
Eugene Sheffer Crossword
Jul 29, 2021
8%
CHARCOAL
Barbecue fuel
Eugene Sheffer Crossword · Jul 29, 2021
8%
PODS
Under-the-wing fuel containers
(4)
LA Times Daily Crossword
Jul 6, 2021
8%
PODS
Under-the-wing fuel containers
LA Times Daily Crossword · Jul 6, 2021
1%
APRESSKI
Chance to refuel after a run
(8)
LA Times Daily Crossword
Aug 29, 2026
1%
APRESSKI
Chance to refuel after a run
LA Times Daily Crossword · Aug 29, 2026
1%
EBIKES
Chargeable two-wheelers
(6)
LA Times Daily Crossword
Aug 17, 2026
1%
EBIKES
Chargeable two-wheelers
LA Times Daily Crossword · Aug 17, 2026
1%
EBIKE
Two-wheeler with a motor
(5)
Universal Crossword
Mar 7, 2026
1%
EBIKE
Two-wheeler with a motor
Universal Crossword · Mar 7, 2026
1%
BIKES
Two-wheelers
(5)
LA Times Daily Crossword
Feb 23, 2026
1%
BIKES
Two-wheelers
LA Times Daily Crossword · Feb 23, 2026
1%
OASIS
Caravan’s refueling spot
(5)
LA Times Daily Crossword
Dec 28, 2025
1%
OASIS
Caravan’s refueling spot
LA Times Daily Crossword · Dec 28, 2025
1%
BICYCLERACK
Driver's two-wheeler carrier
(11)
LA Times Daily Crossword
Jul 28, 2025
1%
BICYCLERACK
Driver's two-wheeler carrier
LA Times Daily Crossword · Jul 28, 2025
1%
BIKEPOLO
Sport with two-wheelers instead of horses
(8)
Universal Crossword
Jun 9, 2025
1%
BIKEPOLO
Sport with two-wheelers instead of horses
Universal Crossword · Jun 9, 2025
1%
SEMIS
18-wheelers
(5)
LA Times Daily Crossword
Mar 27, 2025
1%
SEMIS
18-wheelers
LA Times Daily Crossword · Mar 27, 2025
1%
ETHANOL
Biofuel option
(7)
Thomas Joseph Crossword
Mar 17, 2025
1%
ETHANOL
Biofuel option
Thomas Joseph Crossword · Mar 17, 2025
1%
PITSTOP
Refueling break
(7)
Thomas Joseph Crossword
Feb 3, 2025
1%
PITSTOP
Refueling break
Thomas Joseph Crossword · Feb 3, 2025
1%
ATV
Four-wheeler, for short
(3)
Universal Crossword
Jan 27, 2025
1%
ATV
Four-wheeler, for short
Universal Crossword · Jan 27, 2025
1%
ARB
Wall St. wheeler-dealer
(3)
Eugene Sheffer Crossword
Jan 14, 2025
1%
ARB
Wall St. wheeler-dealer
Eugene Sheffer Crossword · Jan 14, 2025
1%
ETHYL
Kind of alcohol that's a biofuel
(5)
Universal Crossword
May 17, 2024
1%
ETHYL
Kind of alcohol that's a biofuel
Universal Crossword · May 17, 2024
1%
PASTALIFE
Existence fueled by rotini and tagliatelle?
(9)
LA Times Daily Crossword
Feb 11, 2024
1%
PASTALIFE
Existence fueled by rotini and tagliatelle?
LA Times Daily Crossword · Feb 11, 2024
1%
CORN
Biofuel source
(4)
LA Times Daily Crossword
Feb 7, 2024
1%
CORN
Biofuel source
LA Times Daily Crossword · Feb 7, 2024
1%
ROSA
Parks who fueled a movement by refusing to move
(4)
Universal Crossword
Nov 6, 2023
1%
ROSA
Parks who fueled a movement by refusing to move
Universal Crossword · Nov 6, 2023
1%
ECO
___ mode (fuel-saving car feature)
(3)
Universal Crossword
Oct 19, 2023
1%
ECO
___ mode (fuel-saving car feature)
Universal Crossword · Oct 19, 2023
1%
BIKE
Two-wheeler
(4)
Eugene Sheffer Crossword
Mar 21, 2023
1%
BIKE
Two-wheeler
Eugene Sheffer Crossword · Mar 21, 2023
1%
BIGOIL
Bloc in the fossil fuels lobby, collectively
(6)
LA Times Daily Crossword
Jan 31, 2023
1%
BIGOIL
Bloc in the fossil fuels lobby, collectively
LA Times Daily Crossword · Jan 31, 2023
1%
TENSPEEDBICYCLE
Two-wheeler with numerous gears
(15)
Universal Crossword
Jan 9, 2023
1%
TENSPEEDBICYCLE
Two-wheeler with numerous gears
Universal Crossword · Jan 9, 2023
1%
OILER
Refueling ship
(5)
LA Times Daily Crossword
Aug 16, 2022
1%
OILER
Refueling ship
LA Times Daily Crossword · Aug 16, 2022
1%
TRIKE
Three-wheeler, for short
(5)
Universal Crossword
Jun 20, 2022
1%
TRIKE
Three-wheeler, for short
Universal Crossword · Jun 20, 2022
1%
TANKER
Ship of fuels
(6)
Eugene Sheffer Crossword
May 30, 2022
1%
TANKER
Ship of fuels
Eugene Sheffer Crossword · May 30, 2022
1%
BICYCLE
Two-wheeler
(7)
Thomas Joseph Crossword
Apr 19, 2022
1%
BICYCLE
Two-wheeler
Thomas Joseph Crossword · Apr 19, 2022
1%
GASTANK
Casual top that keeps an auto mechanic fueled up?
(7)
Universal Crossword
Mar 16, 2022
1%
GASTANK
Casual top that keeps an auto mechanic fueled up?
Universal Crossword · Mar 16, 2022
1%
RIGS
Eighteen-wheelers
(4)
LA Times Daily Crossword
Jan 16, 2022
1%
RIGS
Eighteen-wheelers
LA Times Daily Crossword · Jan 16, 2022
1%
PITSTOPS
Refueling breaks
(8)
Thomas Joseph Crossword
Nov 18, 2021
1%
PITSTOPS
Refueling breaks
Thomas Joseph Crossword · Nov 18, 2021
1%
WIDETURNS
18-wheelers make them
(9)
Thomas Joseph Crossword
Nov 13, 2021
1%
WIDETURNS
18-wheelers make them
Thomas Joseph Crossword · Nov 13, 2021
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Crossword Clue
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Crossword Clue
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Frequently Asked Questions
How many possible solutions does "18-wheeler fuel" have?
We found 1 exact solution and 74 total potential answers including similar clues. The most likely answer is DIESEL (6 letters).
What is the best answer for "18-wheeler fuel"?
The best answer for "18-wheeler fuel" is DIESEL with 6 letters.
This answer has a 99% confidence rating based on our database of crossword solutions.
Where has "18-wheeler fuel" been used as a crossword clue?
This clue has appeared 1 time in our database.
It has been featured in Universal Crossword.
It was last seen in the Universal Crossword on March 8, 2020.