The clue "Fossil fuel residue" last appeared in the New York Times crossword on March 13, 2016. The correct answer for this puzzle is "SOOT", a 4-letter word.
Solution SOOT is 4 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is SOOT with 4 letters, and the shortest is SOOT with 4 letters.
Not at the moment. Currently trending: Smudge, Informal get-together, Grand, Network and Totally screw up.
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The solution is 4 letters long.