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… as required. They offer more flexibility because each trailer is physically hitched to a suitably sized tractor, so the tractor-trailer combinations can operate independently. However, …
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… Heavy-duty Truck Manufacturers Heavy-duty Truck Trailer Manufacturers Key Findings and Conclusions … 8 heavy-duty vehicles manufactured primarily for pulling a trailer, but not for carrying cargo other than the cargo in the trailer. The Phase I Regulations had requirements for …
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… would make it nearly impossible for long haul tractor trailer operations or for intercity motor coach buses. The …
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