what can i use for fuel if engine is flex fuel ?

Asked by Jul 16, 2012 at 03:35 PM

Question type: General

2003 chevy tahoe 5.3 vortex flex fuel

2 Answers

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Flexible fuel vehicles (FFVs) are designed to run on gasoline or a blend of up to 85% ethanol (E85). FFVs experience no loss in performance when operating on E85. However, since ethanol contains less energy per volume than gasoline, FFVs typically get about 25-30% fewer miles per gallon when fueled with E85.

1 of 1 people found this helpful.
3,115

in my opinion, FFV's are just a gimmic so the the EPA would shut their trap for a while

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