Drivers obsess over gas prices, but one of the most powerful levers on fuel costs is literally where the rubber meets the road. Tire pressure quietly shapes how hard your engine has to work, how ...

Regular readers of Heavy Duty Trucking may know me as The Tire Guy. I've written the magazine's tire feature every month for the past four years or so. I got a dose of my own medicine on Christmas Day ...

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 ...