The Little 57-mpg Engine That Could
July 12th, 2010 | by |Fiat says the TwinAir 875cc will be the worlds most fuel-efficient gasoline automobile engine getting 57.4 mpg when it appears in the 500 this fall. It meets Euro 5 emission regs and will allow Fiat to retain its position as the European automaker with the lowest overall fleet CO2 emissions.
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