Crossword Genius

Energy-saving mode in some hybrid cars (3)

Ross

I believe the answer is:

eco

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

I've seen this clue in The New York Times.
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.