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I agree. There is no doubt that alot of $ and fuel could be saved on long hauls. As fuel prices significantly increase, as I suspect they will, there will be more motivation to make changes. A fair number of independent truckers have made improvements to their tractors and some fleet owners have made changes to their tractor/trailor combs, but it might be tricky to come up with a way to attach a device to some one elses trailor without putting mounting holes in it that might cause leaks when the device is removed.
Now if the aerodynamic aftermarket industry and the trucking industry or the government could come with standard mounting plates to be attached to the rear of existing and new tractors, I think that significant progress could be made.
If they do not, they will face incresing competition from the railroad industry that can deliver more cargo at less cost as fuel prices rise. Warren Buffet, one of the most successful investors of our era is betting on the railroad industry.
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