Ford Focus Forum, Ford Focus ST Forum - View Single Post - Car seems faster with ethanol
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Old 10-13-2012, 10:31 PM   #14
suterp
Focus Jr. Enthusiast
 
Join Date: Feb 2011
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Location: trenton, GA
What I Drive: 2013 red focus SE 5 speed

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2013 Owner's manual says if the car is flex fuel equipped, the higher octane rating allows for more power and efficiency than reg gas. Mine has a yellow ring around the fuel fill inlet and it's also written on the hatch that it's a flex fuel vehicle.
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