a subject I pondered many times.
I owned a 2002 Infiniti Q45 3800lbs (lot of alum) 4.5l V8 340hp. .30 cd epa 22hwy
I could get 30+ with the aero mods and easy driving.
Always wondered if there is some optimal hp to maximize fe AND some level of comfort ( i alway kept the auto climate control on!!)
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