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Marjorie L
Guest
I'm looking to buy a new 2009 Dodge Ram 1500. The 4.7 L V8 gets 17 mpg and the 5.7 L Hemi gets 20 mpg. The 4.7L can be run on E85 but the Hemi cannot. I'm kind of a green head and am a little confused as to which choice would be more environmentally friendly. Would the E85 in a lesser fuel efficient engine be friendlier? Or would a regular gasoline in a more fuel efficient engine be friendlier?