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flex-fuel Syllabification: flex-fu·el
Pronunciation: /ˈfleksˌfyo͞o(ə)l/

Definition of flex-fuel in English:


Denoting a motor vehicle that will run on gasoline, ethanol, or these two in any combination: flex-fuel subcompacts have captured 20% of Brazil’s new car market
More example sentences
  • Time will tell, but vehicles could conceivably be manufactured to use vegetable oil as the standard fuel, much like the flex-fuel vehicles designed to run on ethanol.
  • A research associate at the American Council for an Energy-Efficient Economy, says very few flex-fuel owners know that their cars are capable of fueling up on the fruits of the Heartland.
  • They persuaded the government to extend to flex-fuel cars the tax break previously applied to ethanol-only models.

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Word of the day innocuous
Pronunciation: iˈnäkyo͞oəs
not harmful or offensive