That all said, the fuel savings does come at the cost of the consumable diesel exhaust fluid. DEF is a mixture of synthetic ...

With 495 lb-ft of diesel torque on tap, the Duramax-powered Silverado 1500 ZR2 shows its versatility while towing.

While they didn’t take the morning off, Joshua Capodarco’s “Trout in the Classroom” students did go fishing. On Tuesday, they ...