The most common and most likely answer to this crossword clue is the 3 letter word STP , but the solution may also be ETHANOL which is one of the most recent solution (2019 in Universal uClick).
Fuel additive crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| STP | 44 % | 3 | 
| ETHANOL | 33 % | 7 | 
| DEICER | 11 % | 6 | 
| GASTAX | 11 % | 6 | 
Words with a meaning similar to the clue: Fuel additive
These words may or may not be a possible solution to this crosswords clue.- fuel injection
 - additives
 - fuel filter
 - fuel oil
 - gasoline
 - propellant
 - fuelling
 - rocket fuel
 - biofuel
 - chemical compound
 - jet fuel
 - dietary supplement
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution
More clues leading to the result STP
- Oil-treatment letters
 - Gas additive
 - "The Racer's Edge"
 - Engine additive
 - Big name in fuel additives
 - Big Nascar sponsor
 - Indy sponsor
 - Popular oil additive
 - "Plush" band, initally
 - "Plush" rock band, initially
 
More clues leading to the result ETHANOL
- Volatile liquid
 - Intoxicant
 - Biofuel choice
 - Intoxicating agent
 - Alternative fuel
 - Fuel that Ford's Model T was designed to run on
 - Common gasoline additive
 - Grain alcohol
 - Fermentation by-product
 - Gasohol ingredient
 
More clues leading to the result DEICER
- Windshield cleaner
 - Antifreeze solution
 - Windshield clearer
 - Winter solvent
 - Windshield spray
 - Rock salt, for one
 - Airport winter need
 - Lock need, at times
 - Frost remover
 - Compound applied to windshields in winter