Diesel engines produce nearly 15 times the amount of one of the main ingredients in smog than gasoline-powered engines, says a recent study by the University of Cal-Berkeley. The study was in part funded by the ...
Navistar and Cummins have finalized an agreement in which Cummins will supply Navistar with parts for its SCR system.
As part of Overdrive's 13 Days of Halloween — a slideshow featuring 10 trucks of Halloween.
Debbie Zehrer tells the exceptional story of her encounter with young truck illustrator Chase Harnage at the 2012 Guilty by Association Truck Show at 4 State Trucks in Joplin, Mo.
Class 5, 6 and 7 truck engines and transmissions were rated in J.D. Power's U.S. Medium Duty Truck Engine and Transmission Study of vocational application models.
California's Air Resources Board throughout the month of August held a statewide inspection blitz in which it checked more than 4,000 trucks for compliance.
Learn how to share your fall pictures with Overdrive here, with a view from reader Guy Broderick.
Next-generation low-viscosity oils will boost fuel economy, but durability could suffer.