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but i saw a picture of the stream lines on a truck somewhere on this site and the low pressure didn't extend that far back. you have to drive right behind the truck to see gains = unsafe.
is driving 4 car lengths back from a truck gonna save you anything or is it just the lower speed that saves you?
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Nissan Leaf 24kwh. Average FE = 300mpg 3.6miles/kwh (@plug)
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