Crossword Genius

___ mode (mpg-maximizing setting) (3)

Ross

I believe the answer is:

eco

(Other definitions for eco that I've seen before include "Umberto --, Italian writer" , "Umberto -, Italian author (The Name of the Rose)" , "Green prefix" , "Environmental group" , "Concerned with the environment" .)

I've seen this clue in the Universal.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.