Diesel engines are known for their reliability, but that's only if proper routine maintenance is provided to the drivetrain ...

Built on its long-running Heavy-Duty Engine Platform, Daimler Truck North America’s new Gen 6 diesel engines utilize a novel pre-SCR system to meet the EPA’s strict 2027 NOx limits while delivering a ...

Questar analyzed a large mixed-class fleet and discovered it was wasting as much as $30 in fuel per vehicle, per day, because of mechanically degraded aftertreatment systems.

My old chemistry professor used to say that, at the end of the day, it’s oxidation that kills you. In short, our body gives ...

We've been independently researching and testing products for over 120 years. If you buy through our links, we may earn a commission. Learn more about our review process. While it's important to ...

Who won the NASCAR Truck Series race at San Diego? Layne Riggs is the winner, plus full NASCAR Craftsman Truck Series results at Naval Base Coronado.

KENNEDY SPACE CENTER — The Artemis II crew performed a special burn of the Orion capsule on Thursday evening. This critical burn is the last step to sending the four astronauts on a flyby of the moon.

Ford’s Godzilla 7.3-liter V8 is a potent performance engine-swap option. Brian Wolfe fortified one for boost, and it belted ...

In the closing laps of Friday's NASCAR Craftsman Truck Series Navy 250 at Naval Base Coronado, it appeared that Tyler Reif could chisel his name into the history books with his first career win.

Pickup trucks are the backbone of America, and the sales figures prove that year after year. That’s why a lot of automakers naturally thought of electrifying their pickups to ride the demand wave. The ...

The 24-year-old Riggs from Bahama, North Carolina, led a race-high 21 of 53 over-scheduled laps and capitalized in overtime ...