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Totals for the trip
I filled the tank at the start and end of the trip. Hand calculated totals are 3,697 miles door to door, 80.315 gallons of diesel used at roughly $3.20/gallon for a fuel cost of $256.
The turbo diesel Golf returned 46 mpg for almost 3,700 miles of fairly high speed driving.
I was on a different cross country trip years ago when an overtaking semi truck blew a tire near me. Pieces of tire and tread were flying everywhere. We avoided damage but a piece of tread literally skipped off the roof of the car. For this and other reasons I do not like to hang out near tractor trailers. There was much passing done on this trip but I was on usually on full boost of the turbo with the pedal mashed to the floor to get around quickly, the opposite of hypermiling.
Besides a Tesla is there another car out there that has this kind of power and can return this kind of mpg at these speeds?
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60 mpg hwy highest, 50+mpg lifetime
TDi=fast frugal fun 
https://ecomodder.com/forum/showthre...tml#post621801
Quote:
Originally Posted by freebeard
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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