My understanding is that one issue is, in many cases, the tractor and the trailer are owned by different people. The cost of fuel is on the tactor owner so why would the trailer owner spend money on mods to help the tactor owner.
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Diesel Dave
My version of energy storage is called "momentum".
My version of regenerative braking is called "bump starting".
1 Year Avg (Every Mile Traveled) = 47.8 mpg
BEST TANK: 2,009.6 mi on 35 gal (57.42 mpg): http://ecomodder.com/forum/showthrea...5-a-26259.html
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