Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...

Among the trucks on North American roads today, Western Star isn't typically the first name that comes to mind. It lacks the recognizability of other brands like Kenworth, Mack, or Freightliner, for ...

President Donald Trump has executed numerous actions that directly affect truck emissions since returning to office in January, including those related to California, DEF and DPFs. What do these ...

Def Leppard will head to Europe, India, the U.K. and Asia after kicking off 2026 with a dozen U.S. shows. Joe Elliott says the group will dig "a little deeper in the set" on those initial U.S. stops, ...