Given the constraints of my inquiry all I am saying is that existing trailer design can be improved upon by aerodynamic modifications to make them use up to 30% less energy to tow with an increase in stability. The question to "Should they even exist" while interesting is moot within this frame of referance. It still begs the question as to why modifications that cost me around 1% of the purchase price of the trailer yet can save from 10 to 30% of the fuel cost are not a viable design option from the manufacturer. The answer is of course it could be. I have heard these various counter arguments about finance cost, cost per mile, ownership taste and goals and they just don't explain this glaring market place failure. The who purpose of Ecomodder is centered on this efficiency question and trailers are a good subset of this question. The real reason for this market failure is ignorance on both sides of the market, that is push and pull.
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