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Old 11-29-2010, 07:38 AM   #7 (permalink)
Frank Lee
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If I have this right, you are not really planning on any all-electric operations whether it's 5th wheel or engine-assist- either way the diesel will be running.

Quote:
But still - will it get better mpg ?
How did you come up with the potential 40% fe gain?

A few numbers:
16,000miles/year @ 60miles/day, 5 days/week
1.30 euros/liter diesel in Italy= $1.72U.S./liter
1 liter= .264gallons U.S.
$1.72/l= $6.52/gallon
55mpg(U.S.?)
16000/55=291g/year= $1897/year or $158/mo.

Were you able to achieve +40% fe- 77 mpg- that'd result in 208g/year=$1356 and you'd save $45/mo on fuel, but would have to spend some of that on the conversion and electricity...
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