I’m still amazed at the people who designed the 5th wheel and king pin assembly. Some of the highways I go over seem like the trailer shouldn’t stay connected. I continually look back to make sure the trailer is still there. Where are our road taxes going? Even Dominos can’t keep up.
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Researchers at MIT have found a way to turn a driver's lowly smartphone into a tool that they tout as being able to reduce fuel consumption by 5 to 10 percent, monitor tire pressure and even monitor wheel alignment.
Drivers' smartphones may be clue to road roughness