Ram unveiled official specifications for its updated 2025 heavy duty trucks Tuesday ... and larger intake and exhaust valves for improved port flow. The diesel is now available for 2500 models ...

One of the more divisive styling updates was the adoption of new rear exhaust finishers, a feature that some fans dubbed “HDMI ports ... and definitely make the truck stand out.

Diesel Exhaust Fluid (DEF) is a crucial component ... which is marked with a blue cap and can hold about 5-6 gallons on most trucks. Engine maker Cummins says that on average, a diesel truck ...

The material is key to the technology that most engine manufacturers plan to adopt to meet the U.S. Environmental Protection Agency’s tighter standards on truck exhaust, to be introduced on new ...