Drivers obsess over gas prices, but one of the most powerful levers on fuel costs is literally where the rubber meets the ...

Many drivers mistakenly inflate tires using the pressure numbers printed on the tire sidewall, but those figures indicate the ...

Semi-trucks are surprisingly loaded with technology, from cylinder deactivation systems that shutdown areas of the engine to save fuel to safety systems that announce when there are pedestrians, other ...

Regulatory requirements state that truck tires sold in the U.S. must have specific information on the sidewall, including size, load capacity, and a "DOT" marking for compliance. The inflation ...