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.

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 ...

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 ...

OAKLAND — Lung-damaging diesel air pollution at the Port of Oakland ... from 2010 through 2013 when trucks were required to put a diesel particle filter on their exhaust pipes.

The U.S. Environmental Protection Agency urged the Port Authority of ... replace only about 400 older trucks with vehicles that produce less pollution from diesel exhaust, well short of the ...

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 ...