flex-fuel car
 n.— «With alcohol—also called ethanol—cleaner and selling at half the price of gas in South America’s largest country, Brazilians who have bought 200,000 “flex-fuel” cars since their launch last year say deciding which fuel to use is a no-brainer.» —“Brazil buys into flex-fuel cars” in Sao Paulo, Brazil MSNBC Aug. 30, 2004. (source: Double-Tongued Dictionary)

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