The Environmental Protection Agency on Thursday unveiled a proposal that, while leaving in place the actual emissions limits mandated in a 2023 final rule for model year 2027 engines, could put a ...

After seven months of work, an advisory group is recommending Skagit County eventually replace the Guemes Island ferry with a ...

Cummins and PACCAR are updating diesel engine software to give operators more time to address certain DEF-related issues ...

The PACCAR MX DEF software update raises final inducement speed to 25 mph and extends the repair window for MX-11 and MX-13 ...

V6 engines are found in various cars across multiple different categories. This engine layout does have a few inherent flaws when compared to inline engines.

Paccar’s chief executive thinks pricing for the company’s trucks could begin to rise as early as the second quarter and expects “that trend carries on even beyond 2025.” “We see ... improvement coming ...

Paccar’s 2026 order book is filling earlier, giving fleets and OEMs better production visibility after a volatile 2025. Regulatory clarity on EPA NOx rules and tariffs is easing buyer hesitation and ...

Ram is a reliable brand of pickup trucks, as long as you avoid these engine options.

The Environmental Protection Agency (EPA) on Thursday published a proposal to revise regulations for commercial truck nitrogen oxides (NOx) emissions for the 2027 model year, dropping a requirement ...

From jumping moguls off-road to self-driving on-road, the 777-horsepower Ram hellion is the most capable vehicle in the U.S.

What was the reason behind the Star Alliance carrier's decision?